Pith Number

pith:OVPI3YEG

pith:2013:OVPI3YEGIQHTMKPNZPC4YXR44A

not attested not anchored not stored refs pending

Minimal models, GT-action and formality of the little disk operad

Dan Petersen

arxiv:1303.1448 v1 · 2013-03-06 · 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{OVPI3YEGIQHTMKPNZPC4YXR44A}

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	2026-05-18T02:42:06.240453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

755e8de086440f3629edcbc5cc5e3ce018fc669aca3f7ffb1123f5410badc750

Aliases

arxiv: 1303.1448 · arxiv_version: 1303.1448v1 · doi: 10.48550/arxiv.1303.1448 · pith_short_12: OVPI3YEGIQHT · pith_short_16: OVPI3YEGIQHTMKPN · pith_short_8: OVPI3YEG

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/OVPI3YEGIQHTMKPNZPC4YXR44A \
  | 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: 755e8de086440f3629edcbc5cc5e3ce018fc669aca3f7ffb1123f5410badc750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e29936f91cd2d8a875c81d41f4fef2e8019b5a0538fe0c3ab679c3e87ad93e29",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-03-06T20:28:18Z",
    "title_canon_sha256": "714bb975d7c335581bdb476281a0f12ac16e64023e85d1ad71d55f98ae99fbe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1448",
    "kind": "arxiv",
    "version": 1
  }
}