Pith Number

pith:CVMYTHOZ

pith:2010:CVMYTHOZLZBR7MLCUPDQWKCCFR

not attested not anchored not stored refs pending

Simplicial cohomology of band semigroup algebras

Fr\'ed\'eric Gourdeau, Michael C. White, Yemon Choi

arxiv:1004.2301 v2 · 2010-04-14 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVMYTHOZLZBR7MLCUPDQWKCCFR}

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	2026-05-18T03:34:14.380533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1559899dd95e431fb162a3c70b28422c629b756831792c226675c88bfc94a85a

Aliases

arxiv: 1004.2301 · arxiv_version: 1004.2301v2 · doi: 10.48550/arxiv.1004.2301 · pith_short_12: CVMYTHOZLZBR · pith_short_16: CVMYTHOZLZBR7MLC · pith_short_8: CVMYTHOZ

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/CVMYTHOZLZBR7MLCUPDQWKCCFR \
  | 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: 1559899dd95e431fb162a3c70b28422c629b756831792c226675c88bfc94a85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f38cc1a0adf14ef5edcb754585a46b99e5c62fb46bbb847eaf7a3de34368e65d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2010-04-14T01:27:52Z",
    "title_canon_sha256": "b22aad38657ce7046b00a99a1250f4c8d86296b988464adff1da1c743e0c23c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2301",
    "kind": "arxiv",
    "version": 2
  }
}