Pith Number

pith:IE4WA5DF

pith:2013:IE4WA5DFF34YGGJAUHO7OYHWIQ

not attested not anchored not stored refs pending

Mathematical practice, crowdsourcing, and social machines

Alison Pease, Ursula Martin

arxiv:1305.0900 v1 · 2013-05-04 · cs.SI · cs.DL · math.HO · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IE4WA5DFF34YGGJAUHO7OYHWIQ}

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	2026-05-18T03:26:31.406558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33

Aliases

arxiv: 1305.0900 · arxiv_version: 1305.0900v1 · doi: 10.48550/arxiv.1305.0900 · pith_short_12: IE4WA5DFF34Y · pith_short_16: IE4WA5DFF34YGGJA · pith_short_8: IE4WA5DF

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/IE4WA5DFF34YGGJAUHO7OYHWIQ \
  | 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: 41396074652ef9831920a1ddf760f6440ac191b5f1941e0b3d72dad79ae22f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "070a154848f62017652e03633e837698a8f668a06f883f16097e453d44a8abd0",
    "cross_cats_sorted": [
      "cs.DL",
      "math.HO",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-05-04T09:39:19Z",
    "title_canon_sha256": "9bdbbd1385c7aa0c6b2af6174647d17d3e36cbd7f3e76869e6829dc3a36b864d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0900",
    "kind": "arxiv",
    "version": 1
  }
}