Pith Number

pith:BN2RVNMW

pith:2010:BN2RVNMWBW5OMEJIG2SEAN7TCB

not attested not anchored not stored refs pending

Sorting by Transpositions is Difficult

Guillaume Fertin, Irena Rusu, Laurent Bulteau

arxiv:1011.1157 v1 · 2010-11-04 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BN2RVNMWBW5OMEJIG2SEAN7TCB}

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	2026-05-18T03:46:18.722991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b751ab5960dbae6112836a44037f3106dc1e3be3f486fdf454b2cdeaec41189

Aliases

arxiv: 1011.1157 · arxiv_version: 1011.1157v1 · doi: 10.48550/arxiv.1011.1157 · pith_short_12: BN2RVNMWBW5O · pith_short_16: BN2RVNMWBW5OMEJI · pith_short_8: BN2RVNMW

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/BN2RVNMWBW5OMEJIG2SEAN7TCB \
  | 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: 0b751ab5960dbae6112836a44037f3106dc1e3be3f486fdf454b2cdeaec41189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0507a4bcc334179665dd5499d4e44640050dea86e1114601357a2514f5003da3",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-11-04T13:41:12Z",
    "title_canon_sha256": "31c9d41b49e85fcf3156c88bbf0590e113da29f090f99cc92c1d595ca2e9f119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1157",
    "kind": "arxiv",
    "version": 1
  }
}