Pith Number

pith:IYOC7WP7

pith:2012:IYOC7WP7JILHUXWA72RHW5WJFC

not attested not anchored not stored refs pending

Small flag complexes with torsion

Michal Adamaszek

arxiv:1208.3892 v1 · 2012-08-19 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYOC7WP7JILHUXWA72RHW5WJFC}

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	2026-05-18T03:48:25.836517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

461c2fd9ff4a167a5ec0fea27b76c928a333916e4faf16fd64c395bb1da88f4a

Aliases

arxiv: 1208.3892 · arxiv_version: 1208.3892v1 · doi: 10.48550/arxiv.1208.3892 · pith_short_12: IYOC7WP7JILH · pith_short_16: IYOC7WP7JILHUXWA · pith_short_8: IYOC7WP7

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/IYOC7WP7JILHUXWA72RHW5WJFC \
  | 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: 461c2fd9ff4a167a5ec0fea27b76c928a333916e4faf16fd64c395bb1da88f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b970b4132acf3520b5b5fe13165ee23c5b24446a15af2b624938509c1afc0aaf",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-19T20:37:49Z",
    "title_canon_sha256": "c916201b9ab3b288c62689cbcc1a716e8edd7e2ad097caa73f97166300ab73a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3892",
    "kind": "arxiv",
    "version": 1
  }
}