Pith Number

pith:YO7WSKNN

pith:2015:YO7WSKNN5DHLRLL7VLKGCUYVCH

not attested not anchored not stored refs pending

Incremental complexity of a bi-objective hypergraph transversal problem

Arnaud Mary, Etienne Birmel\'e (MAP5), Marie-France Sagot (LBBE Lyon / INRIA Grenoble Rh\^one-Alpes), Ricardo Andrade (LBBE Lyon / INRIA Grenoble Rh\^one-Alpes), Thomas Picchetti (MAP5)

arxiv:1505.06025 v1 · 2015-05-22 · 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{YO7WSKNN5DHLRLL7VLKGCUYVCH}

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	2026-05-18T02:03:49.349923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3bf6929ade8ceb8ad7faad461531511d8989c8707dba5faac08bec8bba6d717

Aliases

arxiv: 1505.06025 · arxiv_version: 1505.06025v1 · doi: 10.48550/arxiv.1505.06025 · pith_short_12: YO7WSKNN5DHL · pith_short_16: YO7WSKNN5DHLRLL7 · pith_short_8: YO7WSKNN

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/YO7WSKNN5DHLRLL7VLKGCUYVCH \
  | 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: c3bf6929ade8ceb8ad7faad461531511d8989c8707dba5faac08bec8bba6d717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "537da3919b3d52f87be6103815f24359f87dc5386c2138a9b28f58a38ecd638f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-05-22T11:06:52Z",
    "title_canon_sha256": "1954016cab5a94a11f14d548dfa6b303491fc4bea7d4bee5d2c3f46f62171ba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06025",
    "kind": "arxiv",
    "version": 1
  }
}