Pith Number

pith:F2QXGYSE

pith:2017:F2QXGYSE4RBFSVFE7CFTI6IV3G

not attested not anchored not stored refs pending

Morphisms Cohomology and Deformations of Hom-algebras

Abdenacer Makhlouf, Anja Arfa, Nizar Ben Fraj

arxiv:1710.07599 v1 · 2017-10-20 · math.RA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2QXGYSE4RBFSVFE7CFTI6IV3G}

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	2026-05-18T00:32:24.409605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea1736244e4425954a4f88b347915d9bfb70c39f6a193f218f118911be39303

Aliases

arxiv: 1710.07599 · arxiv_version: 1710.07599v1 · doi: 10.48550/arxiv.1710.07599 · pith_short_12: F2QXGYSE4RBF · pith_short_16: F2QXGYSE4RBFSVFE · pith_short_8: F2QXGYSE

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/F2QXGYSE4RBFSVFE7CFTI6IV3G \
  | 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: 2ea1736244e4425954a4f88b347915d9bfb70c39f6a193f218f118911be39303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "468fc1f5aa2f46ca82ae701aa6910dc3e844a7608e8f49a431eec0cd04a9bfbb",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-10-20T16:34:42Z",
    "title_canon_sha256": "181acc339884f39f48b88e8434bb60fc52e79d812f5d7e393701625a5991ce94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07599",
    "kind": "arxiv",
    "version": 1
  }
}