Pith Number

pith:7DBCDGKR

pith:2012:7DBCDGKRGJZVX5OZQULBP25EVC

not attested not anchored not stored refs pending

From flag complexes to banner complexes

Isabella Novik, Steven Klee

arxiv:1210.1297 v1 · 2012-10-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DBCDGKRGJZVX5OZQULBP25EVC}

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	2026-05-18T03:44:04.006458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c221995132735bf5d9851617eba4a88114e027a5f5dd19769393d74292adae

Aliases

arxiv: 1210.1297 · arxiv_version: 1210.1297v1 · doi: 10.48550/arxiv.1210.1297 · pith_short_12: 7DBCDGKRGJZV · pith_short_16: 7DBCDGKRGJZVX5OZ · pith_short_8: 7DBCDGKR

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/7DBCDGKRGJZVX5OZQULBP25EVC \
  | 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: f8c221995132735bf5d9851617eba4a88114e027a5f5dd19769393d74292adae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaf1a18b652d8417b4f6f1e5e0f902ad678489e49f56739eccff8230e182a644",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-04T05:10:56Z",
    "title_canon_sha256": "bf46f9e93169f356d0ab50442e559c1b3d895451a930fb0dfd71792eddb14f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1297",
    "kind": "arxiv",
    "version": 1
  }
}