Pith Number

pith:RC2MBFV3

pith:2019:RC2MBFV36SAO3T6JW4C6SIGGQQ

not attested not anchored not stored refs pending

Finding and counting permutations via CSPs

Benjamin Aram Berendsohn, D\'aniel Marx, L\'aszl\'o Kozma

arxiv:1908.04673 v1 · 2019-08-13 · cs.DS · 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{RC2MBFV36SAO3T6JW4C6SIGGQQ}

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	2026-07-04T23:55:15.477803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b4c096bbf480edcfc9b705e920c6840a50c264e6341aaf83188ce94967656c

Aliases

arxiv: 1908.04673 · arxiv_version: 1908.04673v1 · doi: 10.48550/arxiv.1908.04673 · pith_short_12: RC2MBFV36SAO · pith_short_16: RC2MBFV36SAO3T6J · pith_short_8: RC2MBFV3

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/RC2MBFV36SAO3T6JW4C6SIGGQQ \
  | 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: 88b4c096bbf480edcfc9b705e920c6840a50c264e6341aaf83188ce94967656c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3d92316f74c7d93add8678d5bb7da4d5ace90784e59a297476d4f40006b8e8",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-13T14:46:25Z",
    "title_canon_sha256": "4af8760b35695672b4450be7aa0a973493e4dad6c7d42e82406315055adf1950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04673",
    "kind": "arxiv",
    "version": 1
  }
}