Pith Number

pith:DEIQDHC4

pith:2010:DEIQDHC4KKO5YDDJAR64E5RK37

not attested not anchored not stored refs pending

Cohomology and Deformations of Hom-algebras

Abdenacer Makhlouf, Faouzi Ammar, Zeyneb Ejbehi

arxiv:1005.0456 v1 · 2010-05-04 · math.RA · math.KT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEIQDHC4KKO5YDDJAR64E5RK37}

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	2026-05-18T02:24:09.145793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1911019c5c529ddc0c69047dc2762adfc95168ce3f3cc677c4323ad4c1c6ad27

Aliases

arxiv: 1005.0456 · arxiv_version: 1005.0456v1 · doi: 10.48550/arxiv.1005.0456 · pith_short_12: DEIQDHC4KKO5 · pith_short_16: DEIQDHC4KKO5YDDJ · pith_short_8: DEIQDHC4

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/DEIQDHC4KKO5YDDJAR64E5RK37 \
  | 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: 1911019c5c529ddc0c69047dc2762adfc95168ce3f3cc677c4323ad4c1c6ad27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63eec42cbba2582e81f8ab04fdc9e0b6534c2b5572ccbd6cde18dded37a91470",
    "cross_cats_sorted": [
      "math.KT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-05-04T07:42:53Z",
    "title_canon_sha256": "2840a42d045413f7ce1b7e07b0bfd510fc555d0b535d762c8488cd644d424a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0456",
    "kind": "arxiv",
    "version": 1
  }
}