Pith Number

pith:7XXCELLY

pith:2014:7XXCELLY3EIMPCJ4LTOXQMXQFR

not attested not anchored not stored refs pending

Cellular cohomology of posets with local coefficients

Brent Everitt, Paul Turner

arxiv:1406.3476 v2 · 2014-06-13 · 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{7XXCELLY3EIMPCJ4LTOXQMXQFR}

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	2026-05-18T00:55:25.903539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdee222d78d910c7893c5cdd7832f02c443a3a3fd4f296593eba0b21da3b86c7

Aliases

arxiv: 1406.3476 · arxiv_version: 1406.3476v2 · doi: 10.48550/arxiv.1406.3476 · pith_short_12: 7XXCELLY3EIM · pith_short_16: 7XXCELLY3EIMPCJ4 · pith_short_8: 7XXCELLY

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/7XXCELLY3EIMPCJ4LTOXQMXQFR \
  | 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: fdee222d78d910c7893c5cdd7832f02c443a3a3fd4f296593eba0b21da3b86c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9675dd2dc0d94d58892baadf8489d1cbd500fa31c3604fee2f65fe30c13f1979",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-06-13T10:12:25Z",
    "title_canon_sha256": "a2570e3680d9eb13eac85d814eaf7623d6cc4e0d17cbff69d62962593e824b8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3476",
    "kind": "arxiv",
    "version": 2
  }
}