Pith Number

pith:KFEDWI7B

pith:2017:KFEDWI7BIG7O2RKXAKKRCUHOCS

not attested not anchored not stored refs pending

Propagation via Kernelization: The Vertex Cover Constraint

Cl\'ement Carbonnel (LAAS-ROC), Emmanuel H\'ebrard (LAAS-ROC)

arxiv:1702.02470 v1 · 2017-02-07 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFEDWI7BIG7O2RKXAKKRCUHOCS}

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	2026-05-18T00:51:05.876236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51483b23e141beed455702951150ee14b918154f1a5dda15c913fcfb765da5e0

Aliases

arxiv: 1702.02470 · arxiv_version: 1702.02470v1 · doi: 10.48550/arxiv.1702.02470 · pith_short_12: KFEDWI7BIG7O · pith_short_16: KFEDWI7BIG7O2RKX · pith_short_8: KFEDWI7B

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/KFEDWI7BIG7O2RKXAKKRCUHOCS \
  | 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: 51483b23e141beed455702951150ee14b918154f1a5dda15c913fcfb765da5e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9ceec5402f7913a3492c015b5df2d5ffe9b17442de6e2dae520e00dbb74eea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-02-07T15:45:39Z",
    "title_canon_sha256": "c3cee9a09710cdb51c727e6d8bc8acb80a605c2bdb6092d2ee837adabc39364d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02470",
    "kind": "arxiv",
    "version": 1
  }
}