Pith Number

pith:OBU66AXY

pith:2015:OBU66AXYZBG4Y2TQPZRNPR5NB3

not attested not anchored not stored refs pending

Maximum matching width: new characterizations and a fast algorithm for dominating set

Jan Arne Telle, Jisu Jeong, Sigve Hortemo S{\ae}ther

arxiv:1507.02384 v1 · 2015-07-09 · cs.DS · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBU66AXYZBG4Y2TQPZRNPR5NB3}

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	2026-05-18T01:37:06.842337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7069ef02f8c84dcc6a707e62d7c7ad0ee5a161de23dbd62f44e913a704cfccb1

Aliases

arxiv: 1507.02384 · arxiv_version: 1507.02384v1 · doi: 10.48550/arxiv.1507.02384 · pith_short_12: OBU66AXYZBG4 · pith_short_16: OBU66AXYZBG4Y2TQ · pith_short_8: OBU66AXY

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/OBU66AXYZBG4Y2TQPZRNPR5NB3 \
  | 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: 7069ef02f8c84dcc6a707e62d7c7ad0ee5a161de23dbd62f44e913a704cfccb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac617e51ede4eca1d23d63ba817085977d677f44eefee46b90b40b4f273b7bf8",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-09T05:58:47Z",
    "title_canon_sha256": "a6a18a0cfdf85b2b602faa64269059135ddfca76bc3b036c1dbdefd22b95c2fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02384",
    "kind": "arxiv",
    "version": 1
  }
}