Pith Number

pith:QD3CAHDK

pith:2015:QD3CAHDKJ5CC5TSC5BPKY5ZWFU

not attested not anchored not stored refs pending

Finite Type Enhancements

Sam Nelson

arxiv:1506.00979 v1 · 2015-06-02 · math.GT · 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{QD3CAHDKJ5CC5TSC5BPKY5ZWFU}

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	2026-05-18T01:59:33.961737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f6201c6a4f442ece42e85eac77362d12ca389d24291e2c5b83260007f7fffd

Aliases

arxiv: 1506.00979 · arxiv_version: 1506.00979v1 · doi: 10.48550/arxiv.1506.00979 · pith_short_12: QD3CAHDKJ5CC · pith_short_16: QD3CAHDKJ5CC5TSC · pith_short_8: QD3CAHDK

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/QD3CAHDKJ5CC5TSC5BPKY5ZWFU \
  | 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: 80f6201c6a4f442ece42e85eac77362d12ca389d24291e2c5b83260007f7fffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d98445eb6fb3f5258dfc11088907b9bbc35806c78c92341e1afe0a4e125c0bc",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-06-02T18:19:27Z",
    "title_canon_sha256": "04cb2cf40fccb701c97b30da0ed678f1dcd36a97c830cb20d03e4c7b4b467984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00979",
    "kind": "arxiv",
    "version": 1
  }
}