Pith Number

pith:QR35YYXZ

pith:2018:QR35YYXZOFKKJ3UJEJSVPXNVUZ

not attested not anchored not stored refs pending

Appendix to a paper [arXiv:1809.08623] of B. Williams

Adam Logan

arxiv:1810.06792 v2 · 2018-10-16 · math.NT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QR35YYXZOFKKJ3UJEJSVPXNVUZ}

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	2026-05-18T00:02:48.878363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8477dc62f97154a4ee89226557ddb5a64163994acef89393b7951e1c64530984

Aliases

arxiv: 1810.06792 · arxiv_version: 1810.06792v2 · doi: 10.48550/arxiv.1810.06792 · pith_short_12: QR35YYXZOFKK · pith_short_16: QR35YYXZOFKKJ3UJ · pith_short_8: QR35YYXZ

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/QR35YYXZOFKKJ3UJEJSVPXNVUZ \
  | 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: 8477dc62f97154a4ee89226557ddb5a64163994acef89393b7951e1c64530984

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e596e6d3caca2fd17d2428077f6ad3284307687aa23db184bb8f31111ce2bb7",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-10-16T02:17:43Z",
    "title_canon_sha256": "c1f50d9ee6e256d7330a6650c0f32b59575893a0248489cccbf038aec338f5b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06792",
    "kind": "arxiv",
    "version": 2
  }
}