Pith Number

pith:ET3PLG7T

pith:2018:ET3PLG7TU63CPK2LDLRF3D3XRG

not attested not anchored not stored refs pending

Operads and Maurer-Cartan spaces

Daniel Robert-Nicoud

arxiv:1807.02129 v1 · 2018-07-05 · 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{ET3PLG7TU63CPK2LDLRF3D3XRG}

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	2026-05-18T00:11:23.021852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f6f59bf3a7b627ab4b1ae25d8f7789a4bf6e0613b57c76b7fe96f0cfaa2b37

Aliases

arxiv: 1807.02129 · arxiv_version: 1807.02129v1 · doi: 10.48550/arxiv.1807.02129 · pith_short_12: ET3PLG7TU63C · pith_short_16: ET3PLG7TU63CPK2L · pith_short_8: ET3PLG7T

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/ET3PLG7TU63CPK2LDLRF3D3XRG \
  | 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: 24f6f59bf3a7b627ab4b1ae25d8f7789a4bf6e0613b57c76b7fe96f0cfaa2b37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583a2718cd23e0db97f191bec89ca42136fba25d23572cbfe91f7f5437dd926e",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-07-05T18:10:25Z",
    "title_canon_sha256": "f4c6f9e39d6ddef6ee7ade7bbe936824a3257c00c5ff07cbdd11d40e56eb8a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02129",
    "kind": "arxiv",
    "version": 1
  }
}