Pith Number

pith:2C4YXOAI

pith:2011:2C4YXOAIOZBOJY7I5LEIYLZREZ

not attested not anchored not stored refs pending

Pentagonal Domain Exchange

Edmund Harriss, Shigeki Akiyama

arxiv:1102.4310 v1 · 2011-02-21 · math.DS · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2C4YXOAIOZBOJY7I5LEIYLZREZ}

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	2026-05-18T04:28:10.448014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0b98bb8087642e4e3e8eac88c2f31265d746d0175490d707c7847837b747f0a

Aliases

arxiv: 1102.4310 · arxiv_version: 1102.4310v1 · doi: 10.48550/arxiv.1102.4310 · pith_short_12: 2C4YXOAIOZBO · pith_short_16: 2C4YXOAIOZBOJY7I · pith_short_8: 2C4YXOAI

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/2C4YXOAIOZBOJY7I5LEIYLZREZ \
  | 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: d0b98bb8087642e4e3e8eac88c2f31265d746d0175490d707c7847837b747f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ea7971b61651a54489c90b61e3d2614b28b9f3f682a55770a65cb029bac44d",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-02-21T18:59:06Z",
    "title_canon_sha256": "af73dfd22fd3f1795201f99cad53ab8b46015dac8814a854c8d69655dbf4abc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4310",
    "kind": "arxiv",
    "version": 1
  }
}