Pith Number

pith:KOLOIRVA

pith:2013:KOLOIRVAUJ4ST63QMDSKNSDHIB

not attested not anchored not stored refs pending

Set-reconstructibility of Post classes

Erkko Lehtonen, Karsten Sch\"olzel, Miguel Couceiro

arxiv:1310.7797 v1 · 2013-10-29 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOLOIRVAUJ4ST63QMDSKNSDHIB}

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	2026-05-18T00:57:38.617498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5396e446a0a27929fb7060e4a6c86740616f311f86e0bc5638d85058321da4f0

Aliases

arxiv: 1310.7797 · arxiv_version: 1310.7797v1 · doi: 10.48550/arxiv.1310.7797 · pith_short_12: KOLOIRVAUJ4S · pith_short_16: KOLOIRVAUJ4ST63Q · pith_short_8: KOLOIRVA

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/KOLOIRVAUJ4ST63QMDSKNSDHIB \
  | 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: 5396e446a0a27929fb7060e4a6c86740616f311f86e0bc5638d85058321da4f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "947ff7ca53220d63802deb0b8828b4b97f3e84c8f5e9a1f0719bc768f2bca433",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-10-29T13:19:16Z",
    "title_canon_sha256": "541f7de3b28275b4e33fba3ee982358119fb04232f609a7af96f163248f5ee9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7797",
    "kind": "arxiv",
    "version": 1
  }
}