Pith Number

pith:S2PBQU3O

pith:2011:S2PBQU3OPVXUILIEQFU7GVP64E

not attested not anchored not stored refs pending

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Martin Starnberger, Monika Henzinger, Riccardo Colini-Baldeschi, Stefano Leonardi

arxiv:1112.6361 v1 · 2011-12-29 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2PBQU3OPVXUILIEQFU7GVP64E}

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	2026-05-18T04:05:28.710466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969e18536e7d6f442d048169f355fee107cabf29cdaebd14a715785dd731e7ba

Aliases

arxiv: 1112.6361 · arxiv_version: 1112.6361v1 · doi: 10.48550/arxiv.1112.6361 · pith_short_12: S2PBQU3OPVXU · pith_short_16: S2PBQU3OPVXUILIE · pith_short_8: S2PBQU3O

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/S2PBQU3OPVXUILIEQFU7GVP64E \
  | 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: 969e18536e7d6f442d048169f355fee107cabf29cdaebd14a715785dd731e7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b92c7494a2f7a5a68b37405eb2088c0dbb9a57627955474e5fe1ef214f4584a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2011-12-29T18:14:33Z",
    "title_canon_sha256": "9f2003f90e11823e4f1406c7098b608c9505e21b49ccda01e3d04d280ebfcf5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6361",
    "kind": "arxiv",
    "version": 1
  }
}