Pith Number

pith:Z6QZ3KVR

pith:2013:Z6QZ3KVR2PRG67D5H64JT5ISNF

not attested not anchored not stored refs pending

Centrally Image partition Regularity near 0

Dibyendu De, Ram Krishna Paul, Tanushree Biswas

arxiv:1309.7425 v1 · 2013-09-28 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6QZ3KVR2PRG67D5H64JT5ISNF}

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	2026-05-18T03:11:58.748239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfa19daab1d3e26f7c7d3fb899f512697434ee0be4f546e19f37fa6e7561f082

Aliases

arxiv: 1309.7425 · arxiv_version: 1309.7425v1 · doi: 10.48550/arxiv.1309.7425 · pith_short_12: Z6QZ3KVR2PRG · pith_short_16: Z6QZ3KVR2PRG67D5 · pith_short_8: Z6QZ3KVR

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/Z6QZ3KVR2PRG67D5H64JT5ISNF \
  | 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: cfa19daab1d3e26f7c7d3fb899f512697434ee0be4f546e19f37fa6e7561f082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e55e3b3aea0a058c9ece2922f899f76d3cc595fa0b946fe8d5408c824130602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-28T04:35:06Z",
    "title_canon_sha256": "6a19c110d06821fdcc6939b31d2c9c07aa765513a0fa2eebf810b758bbf1add0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7425",
    "kind": "arxiv",
    "version": 1
  }
}