Pith Number

pith:Z4RVIJ4L

pith:2013:Z4RVIJ4LQ4IHEEYNG477AJJSMP

not attested not anchored not stored refs pending

On top local cohomology modules, Matlis duality and tensor products

KH. Ahmadi-amoli, M. Eghbali, M.Y. Sadeghi

arxiv:1302.1274 v2 · 2013-02-06 · 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{Z4RVIJ4LQ4IHEEYNG477AJJSMP}

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	2026-05-18T00:08:05.581497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf2354278b871072130d373ff0253263e459e90c3749d27bdcb18f3763c4af7d

Aliases

arxiv: 1302.1274 · arxiv_version: 1302.1274v2 · doi: 10.48550/arxiv.1302.1274 · pith_short_12: Z4RVIJ4LQ4IH · pith_short_16: Z4RVIJ4LQ4IHEEYN · pith_short_8: Z4RVIJ4L

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/Z4RVIJ4LQ4IHEEYNG477AJJSMP \
  | 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: cf2354278b871072130d373ff0253263e459e90c3749d27bdcb18f3763c4af7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f079e91c6d4e0e1736f28aa14aa9fa1ca01f8c4dc10c82343a659230ba8b7fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-02-06T06:27:56Z",
    "title_canon_sha256": "023f915d4f20a197ba919ba023551020ec4875f8c4fedaa1fc01915289411697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1274",
    "kind": "arxiv",
    "version": 2
  }
}