Pith Number

pith:H7KDVBQ6

pith:2015:H7KDVBQ6H5L47VRVWVVT4D242X

not attested not anchored not stored refs pending

Decorated Cospans

Brendan Fong

arxiv:1502.00872 v3 · 2015-02-03 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7KDVBQ6H5L47VRVWVVT4D242X}

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	2026-05-18T01:35:32.455192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd43a861e3f57cfd635b56b3e0f5cd5fa307921cafea1134f2bf7be9899cb72

Aliases

arxiv: 1502.00872 · arxiv_version: 1502.00872v3 · doi: 10.48550/arxiv.1502.00872 · pith_short_12: H7KDVBQ6H5L4 · pith_short_16: H7KDVBQ6H5L47VRV · pith_short_8: H7KDVBQ6

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/H7KDVBQ6H5L47VRVWVVT4D242X \
  | 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: 3fd43a861e3f57cfd635b56b3e0f5cd5fa307921cafea1134f2bf7be9899cb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "276f8f8420552ed185d21ab96a6114154bdf4b9881af745bb2f746c6e84fd6ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2015-02-03T14:26:36Z",
    "title_canon_sha256": "9855408488699bde4c668b309860c8531d5ee322d961ef35e5f458022937cf28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00872",
    "kind": "arxiv",
    "version": 3
  }
}