Pith Number

pith:7NZ67ENL

pith:2017:7NZ67ENLWSX7MAYSUNTRDQBVSX

not attested not anchored not stored refs pending

Gravity Formality

Benjamin C. Ward, Ricardo Campos

arxiv:1707.00638 v1 · 2017-07-03 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NZ67ENLWSX7MAYSUNTRDQBVSX}

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	2026-05-18T00:41:02.795405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb73ef91abb4aff60312a36711c03595f887ba23f2eef2736e94d9ad7169b7ce

Aliases

arxiv: 1707.00638 · arxiv_version: 1707.00638v1 · doi: 10.48550/arxiv.1707.00638 · pith_short_12: 7NZ67ENLWSX7 · pith_short_16: 7NZ67ENLWSX7MAYS · pith_short_8: 7NZ67ENL

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/7NZ67ENLWSX7MAYSUNTRDQBVSX \
  | 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: fb73ef91abb4aff60312a36711c03595f887ba23f2eef2736e94d9ad7169b7ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60613802f75af80bce6608c376e4b71b17ca45bab0470511c5c85059402e8518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2017-07-03T16:39:23Z",
    "title_canon_sha256": "61b5dd141f35a4b764d27981a74d5b9178af0d3b94ae1586131adf2ba0c197d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00638",
    "kind": "arxiv",
    "version": 1
  }
}