Pith Number

pith:O3P5VLTR

pith:2018:O3P5VLTRGSEBZYTLP36U23KDKE

not attested not anchored not stored refs pending

Maurer-Cartan elements and homotopical perturbation theory

Ezra Getzler

arxiv:1802.06736 v1 · 2018-02-19 · math.KT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3P5VLTRGSEBZYTLP36U23KDKE}

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	2026-05-18T00:23:02.465105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76dfdaae7134881ce26b7efd4d6d43513101022b55b3dd636b0596a4a2f15305

Aliases

arxiv: 1802.06736 · arxiv_version: 1802.06736v1 · doi: 10.48550/arxiv.1802.06736 · pith_short_12: O3P5VLTRGSEB · pith_short_16: O3P5VLTRGSEBZYTL · pith_short_8: O3P5VLTR

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/O3P5VLTRGSEBZYTLP36U23KDKE \
  | 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: 76dfdaae7134881ce26b7efd4d6d43513101022b55b3dd636b0596a4a2f15305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f782290bbe3566fd0d6084b7218a310afd2dc23bd519349abdff1e3a2947d1",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-02-19T18:00:41Z",
    "title_canon_sha256": "6e921a53509c3d021fd0d625d8e0b46f693b24955bdaef8adabe8a10a8d5cc86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06736",
    "kind": "arxiv",
    "version": 1
  }
}