Pith Number

pith:BOY5UPRZ

pith:2011:BOY5UPRZTGAVV4RM47Q5WS3YRI

not attested not anchored not stored refs pending

Numbers

David Pierce

arxiv:1104.5311 v1 · 2011-04-28 · math.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{BOY5UPRZTGAVV4RM47Q5WS3YRI}

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	2026-05-18T04:23:21.748759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bb1da3e3999815af22ce7e1db4b788a01f45c200ef99453e50b18edb921377e

Aliases

arxiv: 1104.5311 · arxiv_version: 1104.5311v1 · doi: 10.48550/arxiv.1104.5311 · pith_short_12: BOY5UPRZTGAV · pith_short_16: BOY5UPRZTGAVV4RM · pith_short_8: BOY5UPRZ

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/BOY5UPRZTGAVV4RM47Q5WS3YRI \
  | 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: 0bb1da3e3999815af22ce7e1db4b788a01f45c200ef99453e50b18edb921377e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fd4d37e528abc3ebc6d7af0f929e394a5ce2a8e2e8a8ac4a29595928122b29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-04-28T06:59:12Z",
    "title_canon_sha256": "f3c7807d475073ba009bf4801b2d934e9f0126cb96dd19a27dbffcae23a7f5a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5311",
    "kind": "arxiv",
    "version": 1
  }
}