Pith Number

pith:NQSY74QG

pith:2024:NQSY74QGDJ37MESO3SWZE4VPCN

not attested not anchored not stored refs pending

Personhood credentials: Artificial intelligence and the value of privacy-preserving tools to distinguish who is real online

Alan Z. Rozenshtein, Andrew Critch, Andrew Trask, Brian Christian, Catherine Brewer, Cedric Whitney, Claire R. Leibowicz, Connor Spelliscy, David Schnurr, Divya Siddarth, Eddy Lazzarin, Eric Ho, Evan Shapiro, Heather Flanagan, John Bailey, Kim Hamilton Duffy, Lacey Strahm, Manu Sporny, Nouran Soliman, Ren\'ee DiResta, Ronnie Falcon, Sean McGregor, Shrey Jain, Srikanth Nadhamuni, Steven Adler, Tobin South, Tom Zick, Varya Srivastava, Wayne Chang, Wendy Seltzer, Zo\"e Hitzig, Zoe Weinberg

arxiv:2408.07892 v4 · 2024-08-15 · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQSY74QGDJ37MESO3SWZE4VPCN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

3 papers in Pith

The Agentic Web Requires New Normative Infrastructure

ZK-AMS: Credibly Anonymous Admission for Web 3.0 Platforms via Recursive Proof Aggregation

AI Identity: Standards, Gaps, and Research Directions for AI Agents

Receipt and verification

First computed	2026-07-05T10:02:24.063007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c258ff2061a77f6124edcad9272af134a48c2137493c8d0c804dd13cb8e2d90

Aliases

arxiv: 2408.07892 · arxiv_version: 2408.07892v4 · doi: 10.48550/arxiv.2408.07892 · pith_short_12: NQSY74QGDJ37 · pith_short_16: NQSY74QGDJ37MESO · pith_short_8: NQSY74QG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NQSY74QGDJ37MESO3SWZE4VPCN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6c258ff2061a77f6124edcad9272af134a48c2137493c8d0c804dd13cb8e2d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fce4d4554dd07e0a2e8da81b808da8b3359a8d2c8da417ce6ec53e31eadb52f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2024-08-15T02:41:25Z",
    "title_canon_sha256": "fa4adb0ac7a9bf0b929688d96326186c0fffd96c714f4be1bb2570a1a5b62634"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.07892",
    "kind": "arxiv",
    "version": 4
  }
}