Pith Number

pith:LSAH326O

pith:2012:LSAH326O7SQ3FDOOAVYZBKCPTD

not attested not anchored not stored refs pending

Cohomologically Cofinite Complexes

Amnon Yekutieli, Liran Shaul, Marco Porta

arxiv:1208.4064 v2 · 2012-08-20 · math.AC · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSAH326O7SQ3FDOOAVYZBKCPTD}

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	2026-05-18T03:20:32.716694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c807debcefca1b28dce057190a84f98fb1c4e326fa7d20e19b452155223c605

Aliases

arxiv: 1208.4064 · arxiv_version: 1208.4064v2 · doi: 10.48550/arxiv.1208.4064 · pith_short_12: LSAH326O7SQ3 · pith_short_16: LSAH326O7SQ3FDOO · pith_short_8: LSAH326O

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/LSAH326O7SQ3FDOOAVYZBKCPTD \
  | 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: 5c807debcefca1b28dce057190a84f98fb1c4e326fa7d20e19b452155223c605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a0f0e73265b5ddc6b22bc11f16cf89790565195eca008dc7bc03b5a10914c4",
    "cross_cats_sorted": [
      "math.AG",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-08-20T17:35:03Z",
    "title_canon_sha256": "5e06087d6a6f9d152522aff033fe20438fc7ce0c07cb07f1bc34d6e628e93da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4064",
    "kind": "arxiv",
    "version": 2
  }
}