Pith Number

pith:S5JBOLGC

pith:2010:S5JBOLGC26ATFKN7F7FIN7LZDT

not attested not anchored not stored refs pending

Two exact sequences for lattice cohomology

Andr\'as N\'emethi

arxiv:1001.0640 v2 · 2010-01-05 · math.AG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5JBOLGC26ATFKN7F7FIN7LZDT}

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	2026-05-18T04:39:50.326438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9752172cc2d78132a9bf2fca86fd791cfe055c6825354e1f3673d32b46867b39

Aliases

arxiv: 1001.0640 · arxiv_version: 1001.0640v2 · doi: 10.48550/arxiv.1001.0640 · pith_short_12: S5JBOLGC26AT · pith_short_16: S5JBOLGC26ATFKN7 · pith_short_8: S5JBOLGC

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/S5JBOLGC26ATFKN7F7FIN7LZDT \
  | 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: 9752172cc2d78132a9bf2fca86fd791cfe055c6825354e1f3673d32b46867b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a0d449a1dbadc95d05382cdc15aa644f4f36faed5cf4543d42e14d7baaf7899",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-01-05T07:31:21Z",
    "title_canon_sha256": "ecc8376f0e3c6208262d163e51e69536763964dea7a4258812963da9f8debfdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0640",
    "kind": "arxiv",
    "version": 2
  }
}