Pith Number

pith:67EGBHGJ

pith:2015:67EGBHGJS5SJTLRLXUMHXBA4QN

not attested not anchored not stored refs pending

About Tau-Chain

Ohad Asor

arxiv:1502.04120 v1 · 2015-02-16 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67EGBHGJS5SJTLRLXUMHXBA4QN}

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.

Receipt and verification

First computed	2026-05-18T02:27:00.377160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c8609cc9976499ae2bbd187b841c8343f26ca7cf5ed6505ca94349f2061595

Aliases

arxiv: 1502.04120 · arxiv_version: 1502.04120v1 · doi: 10.48550/arxiv.1502.04120 · pith_short_12: 67EGBHGJS5SJ · pith_short_16: 67EGBHGJS5SJTLRL · pith_short_8: 67EGBHGJ

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/67EGBHGJS5SJTLRLXUMHXBA4QN \
  | 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: f7c8609cc9976499ae2bbd187b841c8343f26ca7cf5ed6505ca94349f2061595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a407e680a71a0fb02870f1137b3ea672b9bf7563faf9fe08eb43f6384be4d681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-02-16T17:01:40Z",
    "title_canon_sha256": "04db69e090e548a058bcd1562f4b3cb04612b3ec6284aeb64c3a86e754c3f5d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04120",
    "kind": "arxiv",
    "version": 1
  }
}