Pith Number

pith:WPZHDKAX

pith:2012:WPZHDKAXIV3KR5VFEZYSAVDTI4

not attested not anchored not stored refs pending

Cofiniteness of weakly Laskerian local cohomology modules

Kamal Bahmanpour, Moharram Aghapournahr

arxiv:1211.5748 v2 · 2012-11-25 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPZHDKAXIV3KR5VFEZYSAVDTI4}

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	2026-05-18T02:25:05.429968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3f271a8174576a8f6a5267120547347297a8c2c39e13d04de05a8d849ef262a

Aliases

arxiv: 1211.5748 · arxiv_version: 1211.5748v2 · doi: 10.48550/arxiv.1211.5748 · pith_short_12: WPZHDKAXIV3K · pith_short_16: WPZHDKAXIV3KR5VF · pith_short_8: WPZHDKAX

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/WPZHDKAXIV3KR5VFEZYSAVDTI4 \
  | 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: b3f271a8174576a8f6a5267120547347297a8c2c39e13d04de05a8d849ef262a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5990e11fcd4a99a7ed571fc2236adc629b8e5764c226d55fae3d5a38181e6c28",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-11-25T09:37:09Z",
    "title_canon_sha256": "2b6401bf81248fd076bfa45f74be0be89a8bf419613ef471bd05e7d28e8f8d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5748",
    "kind": "arxiv",
    "version": 2
  }
}