Pith Number

pith:YC7YRG7Q

pith:2015:YC7YRG7Q4JMK44WVQ76IGZUJEB

not attested not anchored not stored refs pending

Cycle Domination, Independence and Irredundance in graphs

Amy Grady, Drew J. Lipman, Fiona Knoll, Renu Laskar

arxiv:1505.02268 v1 · 2015-05-09 · 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{YC7YRG7Q4JMK44WVQ76IGZUJEB}

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	2026-05-18T02:16:19.368611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0bf889bf0e258ae72d587fc836689204f31cdb92952b9c1274de841f0e80734

Aliases

arxiv: 1505.02268 · arxiv_version: 1505.02268v1 · doi: 10.48550/arxiv.1505.02268 · pith_short_12: YC7YRG7Q4JMK · pith_short_16: YC7YRG7Q4JMK44WV · pith_short_8: YC7YRG7Q

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/YC7YRG7Q4JMK44WVQ76IGZUJEB \
  | 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: c0bf889bf0e258ae72d587fc836689204f31cdb92952b9c1274de841f0e80734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a36f7403fff91d91f571178979a315945abe04890a10a4c07256ee5d3b778ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-09T13:22:07Z",
    "title_canon_sha256": "f8ecc9889441717b094d33b0777e403e6d1bd1c0149b6b65ca17e5ca9fb88ed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02268",
    "kind": "arxiv",
    "version": 1
  }
}