Pith Number

pith:HQKWFOBG

pith:2014:HQKWFOBGYL2QHWK4OU3BGX42XJ

not attested not anchored not stored refs pending

Operads, modules and topological field theories

Geoffroy Horel

arxiv:1405.5409 v2 · 2014-05-21 · math.AT · 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{HQKWFOBGYL2QHWK4OU3BGX42XJ}

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	2026-05-18T02:28:20.816966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c1562b826c2f503d95c7536135f9aba78d7a1e3803cc17c978b2f9a7b91c0d3

Aliases

arxiv: 1405.5409 · arxiv_version: 1405.5409v2 · doi: 10.48550/arxiv.1405.5409 · pith_short_12: HQKWFOBGYL2Q · pith_short_16: HQKWFOBGYL2QHWK4 · pith_short_8: HQKWFOBG

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/HQKWFOBGYL2QHWK4OU3BGX42XJ \
  | 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: 3c1562b826c2f503d95c7536135f9aba78d7a1e3803cc17c978b2f9a7b91c0d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1be2c8e32c8a27dac603185924f5edc1991595b04073c99b22bb873e2217c75",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-05-21T13:22:40Z",
    "title_canon_sha256": "137a9184a05c75d0c4e1c4d0231c61ca725709e21bfc150118ab64f3aacff2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5409",
    "kind": "arxiv",
    "version": 2
  }
}