Pith Number

pith:IVMG3HWT

pith:2010:IVMG3HWTK6YWCUOGQAR7FI3LGF

not attested not anchored not stored refs pending

Consecutive ones property testing: cut or swap

Mathieu Raffinot

arxiv:1008.3786 v1 · 2010-08-23 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVMG3HWTK6YWCUOGQAR7FI3LGF}

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	2026-05-18T04:41:55.226882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45586d9ed357b16151c68023f2a36b3156a4fcba61ea62e42390d9251c80eee8

Aliases

arxiv: 1008.3786 · arxiv_version: 1008.3786v1 · doi: 10.48550/arxiv.1008.3786 · pith_short_12: IVMG3HWTK6YW · pith_short_16: IVMG3HWTK6YWCUOG · pith_short_8: IVMG3HWT

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/IVMG3HWTK6YWCUOGQAR7FI3LGF \
  | 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: 45586d9ed357b16151c68023f2a36b3156a4fcba61ea62e42390d9251c80eee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "289ab43143af46e86c931b3751c9f26fd4d23751a6d1bd0197a487ba134e900d",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-08-23T10:09:34Z",
    "title_canon_sha256": "fc0bc2433d204fc346d73212852dd957bd2ab059b429404da95508481e048b95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3786",
    "kind": "arxiv",
    "version": 1
  }
}