Pith Number

pith:63NYKSKK

pith:2015:63NYKSKKMUEPA5TPSROKEIDK5C

not attested not anchored not stored refs pending

Computing maximal autarkies with few and simple oracle queries

Joao Marques-Silva, Oliver Kullmann

arxiv:1505.02371 v2 · 2015-05-10 · cs.LO · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63NYKSKKMUEPA5TPSROKEIDK5C}

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	2026-05-18T01:17:44.028646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6db85494a6508f0766f945ca2206ae8bb442fda982ba6a2a2eee983c1dc014b

Aliases

arxiv: 1505.02371 · arxiv_version: 1505.02371v2 · doi: 10.48550/arxiv.1505.02371 · pith_short_12: 63NYKSKKMUEP · pith_short_16: 63NYKSKKMUEPA5TP · pith_short_8: 63NYKSKK

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/63NYKSKKMUEPA5TPSROKEIDK5C \
  | 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: f6db85494a6508f0766f945ca2206ae8bb442fda982ba6a2a2eee983c1dc014b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025fafd26a8cbae45a442d68d5ae9f37e70b66b5954426d5f12f7af54f81350a",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-05-10T11:36:54Z",
    "title_canon_sha256": "3428ec0159738cc3830a2ffe040755bd7731769ab4bf8c6c992424d1e2b6e3ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02371",
    "kind": "arxiv",
    "version": 2
  }
}