Pith Number

pith:OBFGKMD7

pith:2007:OBFGKMD7I2JK7CCY3WX7GYY2EN

not attested not anchored not stored refs pending

Model Structures on the Category of Small Double Categories

Dorette A. Pronk, Simona Paoli, Thomas M. Fiore

arxiv:0711.0473 v2 · 2007-11-03 · math.AT · 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{OBFGKMD7I2JK7CCY3WX7GYY2EN}

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	2026-05-18T02:41:51.878599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704a65307f4692af8858ddaff3631a237303cfbaf7461c7b2d77ae4a7cb21561

Aliases

arxiv: 0711.0473 · arxiv_version: 0711.0473v2 · doi: 10.48550/arxiv.0711.0473 · pith_short_12: OBFGKMD7I2JK · pith_short_16: OBFGKMD7I2JK7CCY · pith_short_8: OBFGKMD7

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/OBFGKMD7I2JK7CCY3WX7GYY2EN \
  | 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: 704a65307f4692af8858ddaff3631a237303cfbaf7461c7b2d77ae4a7cb21561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "462483e1cf860919669d52db87046b36e0000ea4340e0da5800270e97638ee89",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2007-11-03T19:40:21Z",
    "title_canon_sha256": "ef82314fe20d21b7491c909ea180c315e815c5a92c58fc08c0a4381238dac59b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0473",
    "kind": "arxiv",
    "version": 2
  }
}