Pith Number

pith:BJ6UTTYZ

pith:2015:BJ6UTTYZXCHLUY7H4UVWFLKC3N

not attested not anchored not stored refs pending

Efficient Domination for Some Subclasses of $P_6$-Free Graphs in Polynomial Time

Andreas Brandst\"adt, Elaine M. Eschen, Erik Friese

arxiv:1503.00091 v1 · 2015-02-28 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJ6UTTYZXCHLUY7H4UVWFLKC3N}

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	2026-05-18T02:25:55.165641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7d49cf19b88eba63e7e52b62ad42db4f420fbbbeafd89d01d07f66199c7648

Aliases

arxiv: 1503.00091 · arxiv_version: 1503.00091v1 · doi: 10.48550/arxiv.1503.00091 · pith_short_12: BJ6UTTYZXCHL · pith_short_16: BJ6UTTYZXCHLUY7H · pith_short_8: BJ6UTTYZ

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/BJ6UTTYZXCHLUY7H4UVWFLKC3N \
  | 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: 0a7d49cf19b88eba63e7e52b62ad42db4f420fbbbeafd89d01d07f66199c7648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01c672b7bf9fbdfc324ba45f64022df14cc68cd7ad98c9ea576591088d8cd02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-02-28T07:24:17Z",
    "title_canon_sha256": "f29c38befb305b0d0f0663f14452590394cc43dd8ab402a7a515060ce4a71b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00091",
    "kind": "arxiv",
    "version": 1
  }
}