Pith Number

pith:X6BYJXDV

pith:2012:X6BYJXDVX5SOETSCU7B4CZBYZH

not attested not anchored not stored refs pending

Worst-case efficient dominating sets in digraphs

Italo J. Dejter

arxiv:1201.1728 v3 · 2012-01-09 · math.CO · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6BYJXDVX5SOETSCU7B4CZBYZH}

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	2026-05-18T03:52:28.206001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf8384dc75bf64e24e42a7c3c16438c9c1d5e34fb571224e463694e2854d5cc5

Aliases

arxiv: 1201.1728 · arxiv_version: 1201.1728v3 · doi: 10.48550/arxiv.1201.1728 · pith_short_12: X6BYJXDVX5SO · pith_short_16: X6BYJXDVX5SOETSC · pith_short_8: X6BYJXDV

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/X6BYJXDVX5SOETSCU7B4CZBYZH \
  | 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: bf8384dc75bf64e24e42a7c3c16438c9c1d5e34fb571224e463694e2854d5cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9837d4fbf303ddf8fb6bfed634f90593f0aba0e031a367f3915f65f458da0710",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-09T10:25:11Z",
    "title_canon_sha256": "2a9b08e446ebe93e757e8c98a4160b7e91e38624e846715c2d7db59945570bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1728",
    "kind": "arxiv",
    "version": 3
  }
}