Pith Number

pith:GDYOMTAF

pith:2012:GDYOMTAF6C56ZRKPYVAP4Z7TIT

not attested not anchored not stored refs pending

Modular decomposition of the Orlik-Terao algebra of a hyperplane arrangement

Graham Denham, Mehdi Garrousian, Stefan Tohaneanu

arxiv:1211.4562 v1 · 2012-11-19 · math.AC · 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{GDYOMTAF6C56ZRKPYVAP4Z7TIT}

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	2026-05-18T02:32:39.203703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f0e64c05f0bbecc54fc540fe67f344fc377f9c7bf4e73f8c6e991ee91b7ef6

Aliases

arxiv: 1211.4562 · arxiv_version: 1211.4562v1 · doi: 10.48550/arxiv.1211.4562 · pith_short_12: GDYOMTAF6C56 · pith_short_16: GDYOMTAF6C56ZRKP · pith_short_8: GDYOMTAF

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/GDYOMTAF6C56ZRKPYVAP4Z7TIT \
  | 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: 30f0e64c05f0bbecc54fc540fe67f344fc377f9c7bf4e73f8c6e991ee91b7ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85753a5156cf760143e343a1ee46d919a4ff52c919d762f2a8206fa463a3051e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-11-19T20:44:29Z",
    "title_canon_sha256": "54016d50606c61b02648b8ffe370a7759c381f124bb0b924eb87d7598258d820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4562",
    "kind": "arxiv",
    "version": 1
  }
}