Pith Number

pith:FTAX2GKS

pith:2011:FTAX2GKSALAYLWB6FF7U7RQJIP

not attested not anchored not stored refs pending

Black-Box Complexities of Combinatorial Problems

Benjamin Doerr, Carola Winzen, Johannes Lengler, Timo K\"otzing

arxiv:1108.0342 v1 · 2011-08-01 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTAX2GKSALAYLWB6FF7U7RQJIP}

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	2026-05-18T02:21:42.511352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc17d195202c185d83e297f4fc60943e2d2c727a1f12086b33407914c30b47d

Aliases

arxiv: 1108.0342 · arxiv_version: 1108.0342v1 · doi: 10.48550/arxiv.1108.0342 · pith_short_12: FTAX2GKSALAY · pith_short_16: FTAX2GKSALAYLWB6 · pith_short_8: FTAX2GKS

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/FTAX2GKSALAYLWB6FF7U7RQJIP \
  | 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: 2cc17d195202c185d83e297f4fc60943e2d2c727a1f12086b33407914c30b47d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b383c4a3208ae1050fa8c7b5309cf808d762343a4349ae0466c82a77dadb674",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2011-08-01T15:44:21Z",
    "title_canon_sha256": "e4362a2912912b2e64bcf4e19f421d5e14e43f9cb78b912f4c21a0d3fc5fbcf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0342",
    "kind": "arxiv",
    "version": 1
  }
}