Pith Number

pith:F7JOMNAS

pith:2017:F7JOMNASFQHDH2NKSOFVVQSXUE

not attested not anchored not stored refs pending

Special Hist-Snarks

Arthur Hoffmann-Ostenhof, Thomas Jatschka

arxiv:1710.05663 v1 · 2017-10-16 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7JOMNASFQHDH2NKSOFVVQSXUE}

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	2026-05-18T00:32:48.598427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd2e634122c0e33e9aa938b5ac257a12b68ab02ad88dbef0a3d09ee480aef2a

Aliases

arxiv: 1710.05663 · arxiv_version: 1710.05663v1 · doi: 10.48550/arxiv.1710.05663 · pith_short_12: F7JOMNASFQHD · pith_short_16: F7JOMNASFQHDH2NK · pith_short_8: F7JOMNAS

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/F7JOMNASFQHDH2NKSOFVVQSXUE \
  | 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: 2fd2e634122c0e33e9aa938b5ac257a12b68ab02ad88dbef0a3d09ee480aef2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8419f9e537592e07fe9e3df8ed58b079b8f0fc5d0e92fbe903ed7a78bf057e9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-16T12:54:21Z",
    "title_canon_sha256": "ccafa1999a7171c38c31a260e86b241731cec0b5640ee6f8cf860606762644aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05663",
    "kind": "arxiv",
    "version": 1
  }
}