Pith Number

pith:IMDW5PPS

pith:2011:IMDW5PPSMBI66QOU3HAIFU7QJH

not attested not anchored not stored refs pending

The splitting principle and singularities

S\'andor J Kov\'acs

arxiv:1108.1586 v1 · 2011-08-07 · math.AG

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T04:16:00.682251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43076ebdf26051ef41d4d9c082d3f049e08fd5557937f9e68a0992b57dcd77f9

Aliases

arxiv: 1108.1586 · arxiv_version: 1108.1586v1 · doi: 10.48550/arxiv.1108.1586

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/IMDW5PPSMBI66QOU3HAIFU7QJH \
  | 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: 43076ebdf26051ef41d4d9c082d3f049e08fd5557937f9e68a0992b57dcd77f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb333edcd9ebf75b31fddb15164a9df590a69e41abcbbf48c969820fc2013df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-08-07T23:23:26Z",
    "title_canon_sha256": "d671920554d09ac58d784da61228ed523eba8098a3f744f8e23a03c4f413fa76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1586",
    "kind": "arxiv",
    "version": 1
  }
}