Pith Number

pith:Q5TC7H7W

pith:2018:Q5TC7H7WN4HBNR26ZQTXPYGAYG

not attested not anchored not stored refs pending

Coalition and Group Announcement Logic

Natasha Alechina, Rustam Galimullin

arxiv:1810.02769 v1 · 2018-10-03 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5TC7H7WN4HBNR26ZQTXPYGAYG}

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	2026-05-18T00:04:00.699452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87662f9ff66f0e16c75ecc2777e0c0c1b4d4fb5ee0ac3b0755a65bbe5d767286

Aliases

arxiv: 1810.02769 · arxiv_version: 1810.02769v1 · doi: 10.48550/arxiv.1810.02769 · pith_short_12: Q5TC7H7WN4HB · pith_short_16: Q5TC7H7WN4HBNR26 · pith_short_8: Q5TC7H7W

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/Q5TC7H7WN4HBNR26ZQTXPYGAYG \
  | 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: 87662f9ff66f0e16c75ecc2777e0c0c1b4d4fb5ee0ac3b0755a65bbe5d767286

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d630368dbfaaba4a59154c94a5de15cc2b25d5299f8770fbd64b4fee285407d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-10-03T14:49:25Z",
    "title_canon_sha256": "8be20a7f3c5d88cfee61395b984dd60a8a99a94ff31d0cbe6de759324bd3a4f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02769",
    "kind": "arxiv",
    "version": 1
  }
}