Pith Number

pith:KDMCOUG4

pith:2013:KDMCOUG4JNBSQHCE7RDFNUKNQP

not attested not anchored not stored refs pending

Reduction theorem for lattice cohomology

Andr\'as N\'emethi, Tam\'as L\'aszl\'o

arxiv:1302.4716 v2 · 2013-02-19 · math.GT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDMCOUG4JNBSQHCE7RDFNUKNQP}

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	2026-05-18T03:14:27.976815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d82750dc4b43281c44fc4656d14d83c180f8405c32c4ed4b67f27fb79d3f9c

Aliases

arxiv: 1302.4716 · arxiv_version: 1302.4716v2 · doi: 10.48550/arxiv.1302.4716 · pith_short_12: KDMCOUG4JNBS · pith_short_16: KDMCOUG4JNBSQHCE · pith_short_8: KDMCOUG4

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/KDMCOUG4JNBSQHCE7RDFNUKNQP \
  | 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: 50d82750dc4b43281c44fc4656d14d83c180f8405c32c4ed4b67f27fb79d3f9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d228152206f5d284e984d0e18b0363b7e7023d3d0b395a814db7d77bfc7c8e",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-02-19T19:25:02Z",
    "title_canon_sha256": "1aab18a0e5179710b14b64f62792ecaf2568712e18d1f231a373ddb0bc1ef57b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4716",
    "kind": "arxiv",
    "version": 2
  }
}