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Stamp

SeedFunding signal
www.stampmail.ai/B2BSan Francisco, CA, USA
Market index

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:02 PM

Worth a meetingEvidence-bound analyst verdict
  • •Funding: Stage: Seed (YC) — specific raise amount not disclosed in indexed public sources.
  • •Product/news: 1 product/news‑styled row(s); headline risk without filings

What would change this read

  • →Open roles appearing would signal burn capacity and growth intent.

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

TL;DR

Seed (YC)

Stamp: AI Secretary for Email and Calendar Official product: AI labels, drafting, scheduling, and memory.

Funding

Stage: Seed (YC) — specific raise amount not disclosed in indexed public sources.

Quick read

  • •Stamp: AI Secretary for Email and Calendar Official product: AI labels, drafting, scheduling, and memory.
  • •Reported angle: Stamp Blog

Key signals

Funding

Medium

Stage: Seed (YC) — specific raise amount not disclosed in indexed public sources.

Product / news

1 product/news‑styled row(s); headline risk without filings (High).

Evidence summary

Verified facts

  • •Stamp: AI Secretary for Email and Calendar Official product: AI labels, drafting, scheduling, and memory.
  • •Reported angle: Stamp Blog

Recent movers

  • •May 20, 2026 · ycombinator.com — Stamp | Y Combinator
  • •May 20, 2026 · stampmail.ai — Stamp Blog
  • •May 20, 2026 · ycombinator.com — Stamp | Y Combinator
  • •May 20, 2026 · stampmail.ai — Stamp Blog

Suggested next steps

  • ▸Open a founder conversation this month; validate traction claims against the indexed evidence.
  • ▸Add to the active watchlist so new signals trigger alerts.

Funding & hiring signals

fundingConfidence: medium

Two Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval

Two Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval https://techcrunch.com/2026/03/18/two-palantir-veterans-just-came-out-of-stealth-with-30-million-and-a-sequoia-stamp-of-approval/

Affected score: noObserved: Jun 29, 2026Amount: $30M
funding_articleMay 20, 2026Confidence: high

Stamp | Y Combinator

YC W25 company profile and founder backgrounds.

Affected score: yesObserved: May 20, 2026
fundingraised

Open roles (indexed)

No open roles indexed yet.

Public index
188Activity 74/100Elevated public activity signal
7D+14 (+8.0%)
30D+59 (+45.7%)
Needs Review

The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.

Source health

  • public_page:pricingok
    Last checked Thu, Jul 2, 03:34 PM
  • public_page:blogok
    Last checked Thu, Jul 2, 03:34 PM
  • public_page:homeok
    Last checked Thu, Jul 2, 03:34 PM
  • githubok
    Last checked Mon, Jun 29, 05:15 AM
  • socialok
    Last checked Mon, Jun 29, 05:15 AM

    Stamp:reddit_credentials_not_configured

  • fundingok
    Last checked Mon, Jun 29, 05:15 AM

    discovery:google:google_cse_quota_exhausted

  • public_market_enrichmentok
    Last checked Mon, May 11, 09:23 AM
  • public_page:_blogok
    Last checked Mon, May 11, 09:23 AM
  • public_page:_ok
    Last checked Mon, May 11, 09:23 AM

Signal timeline

13 dated public signals · newest on the right

Funding
Product
Code
Press
Social
Company
Other
Mar 15, 2026May 11, 2026Jul 6, 2026
Funding (2)Product (1)Code (5)Press (1)Social (1)Company (1)Other (2)

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
13
Latest evidence
Thu, Jul 2, 03:34 PM

Source types found

blogfundingfunding_articlegithubofficial_siteotherproductsocial

Strongest / recent news-style rows

  • Stamp: AI Secretary for Email and Calendar

    Pricing · Thu, Jul 2, 03:34 PM · confidence 90%high quality

  • Two Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval

    techcrunch · Mon, Jun 29, 05:15 AM · confidence 78%high quality

  • Stamp | Y Combinator

    Wed, May 20, 06:02 PM · confidence 85%high quality

Public signal timeline

Newest first · 13 event(s)

1
Thu, Jul 2, 03:34 PM · product · 90% · publichigh qualityStamp: AI Secretary for Email and Calendar

Source: Pricing

The AI Secretary that handles your email and calendar for you.

Source ↗
2
Thu, Jul 2, 03:34 PM · blog · 90% · publichigh qualityStamp Blog

Source: Blog

Editorial guides on AI-assisted email, calendar operations, and focus systems, published as static HTML articles with search-friendly previews.

Source ↗
3
Thu, Jul 2, 03:34 PM · official_site · 90% · publichigh qualityStamp: AI Secretary for Email and Calendar

Source: Homepage

The AI Secretary that handles your email and calendar for you.

Source ↗
4
Mon, Jun 29, 05:15 AM · funding · 78% · publichigh qualityTwo Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval

Source: techcrunch

Two Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval https://techcrunch.com/2026/03/18/two-palantir-veterans-just-came-out-of-stealth-with-30-million-and-a-sequoia-stamp-of-approval/

Source ↗
5
Wed, May 20, 06:02 PM · funding_article · 85% · verified_publichigh qualityStamp | Y Combinator

YC W25 company profile and founder backgrounds.

Source ↗
6
Mon, Jun 29, 05:15 AM · github · 55% · publicmedium qualitytime-stamp

Source: npm_registry

Get a formatted timestamp.

Source ↗
7
Mon, Jun 29, 05:15 AM · github · 55% · publicmedium qualityoc-get-unix-utc-timestamp

Source: npm_registry

UTC times stamp utility

Source ↗
8
Mon, Jun 29, 05:15 AM · github · 55% · publicmedium quality@embedpdf/default-stamps

Source: npm_registry

Default stamp assets for @embedpdf/plugin-stamp

Source ↗
9
Mon, Jun 29, 05:15 AM · github · 55% · publicmedium quality@stamp/shortcut

Source: npm_registry

Adds handy shortcuts for stamp composition

Source ↗
10
Mon, Jun 29, 05:15 AM · github · 55% · publicmedium quality@orangecheck/stamp-core

Source: npm_registry

OC Stamp canonical message, envelope format, stamp and verify. See https://github.com/orangecheck/oc-stamp-protocol.

Source ↗
11
Mon, Jun 29, 05:15 AM · social · 48% · publicmedium qualityA new Postcrossing stamp from the USA

Source: hackernews

Source ↗
12
Mon, Jun 29, 05:14 AM · other · 50% · publicmedium qualityStamp Act 1765

Source: wikipedia

Source ↗
13
Mon, Jun 29, 05:14 AM · other · 50% · publicmedium qualityStamp

Source: wikipedia

Source ↗

Official / company site

1 row(s)

The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.

official_site·Thu, Jul 2, 03:34 PM·Confidence 90%high qualitypublic
Stamp: AI Secretary for Email and Calendar

The AI Secretary that handles your email and calendar for you.

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

News

3 row(s)

Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.

product·Thu, Jul 2, 03:34 PM·Confidence 90%high qualitypublic
Stamp: AI Secretary for Email and Calendar

The AI Secretary that handles your email and calendar for you.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 05:14 AM·Confidence 50%medium qualitypublic
Stamp Act 1765

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 05:14 AM·Confidence 50%medium qualitypublic
Stamp

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

Funding / news

2 row(s)

Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.

funding·Mon, Jun 29, 05:15 AM·Confidence 78%high qualitypublic
Two Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval

Two Palantir veterans just came out of stealth with $30M and a Sequoia stamp of approval https://techcrunch.com/2026/03/18/two-palantir-veterans-just-came-out-of-stealth-with-30-million-and-a-sequoia-stamp-of-approval/

Why it matters: Funding signal — Series A per this source; verify against the linked original before relying on it.

Open source ↗
funding_article·Wed, May 20, 06:02 PM·Confidence 85%high qualityverified_public
Stamp | Y Combinator

YC W25 company profile and founder backgrounds.

Why it matters: Funding signal — capitalization evidence; check the linked source for round, amount, and investors.

Open source ↗

GitHub

5 row(s)

Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.

github·Mon, Jun 29, 05:15 AM·Confidence 55%medium qualitypublic
time-stamp

Get a formatted timestamp.

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Mon, Jun 29, 05:15 AM·Confidence 55%medium qualitypublic
oc-get-unix-utc-timestamp

UTC times stamp utility

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Mon, Jun 29, 05:15 AM·Confidence 55%medium qualitypublic
@embedpdf/default-stamps

Default stamp assets for @embedpdf/plugin-stamp

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Mon, Jun 29, 05:15 AM·Confidence 55%medium qualitypublic
@stamp/shortcut

Adds handy shortcuts for stamp composition

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Mon, Jun 29, 05:15 AM·Confidence 55%medium qualitypublic
@orangecheck/stamp-core

OC Stamp canonical message, envelope format, stamp and verify. See https://github.com/orangecheck/oc-stamp-protocol.

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗

Social

1 row(s)

Social presence and mentions. A soft signal — useful for gauging attention and launch reception, not a substitute for verified traction.

social·Mon, Jun 29, 05:15 AM·Confidence 48%medium qualitypublic
A new Postcrossing stamp from the USA

Why it matters: Attention signal — social mention or presence; soft signal of market interest.

Open source ↗

Blog

1 row(s)

Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.

blog·Thu, Jul 2, 03:34 PM·Confidence 90%high qualitypublic
Stamp Blog

Editorial guides on AI-assisted email, calendar operations, and focus systems, published as static HTML articles with search-friendly previews.

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗

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