Pith Number

pith:Y33E24BL

pith:2017:Y33E24BLCXEUKA5PAZUABMREFG

not attested not anchored not stored refs pending

Disjoint Dominating Sets with a Perfect Matching

Alejandro Angeli Ayello, Margaret-Ellen Messinger, William F. Klostermeyer

arxiv:1708.09774 v1 · 2017-08-31 · 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{Y33E24BLCXEUKA5PAZUABMREFG}

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	2026-05-18T00:36:15.123420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6f64d702b15c94503af066800b22429a9ce0658df83c7b0cf716c2e24085477

Aliases

arxiv: 1708.09774 · arxiv_version: 1708.09774v1 · doi: 10.48550/arxiv.1708.09774 · pith_short_12: Y33E24BLCXEU · pith_short_16: Y33E24BLCXEUKA5P · pith_short_8: Y33E24BL

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/Y33E24BLCXEUKA5PAZUABMREFG \
  | 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: c6f64d702b15c94503af066800b22429a9ce0658df83c7b0cf716c2e24085477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d40f1403429407fe7a3cb2a3551e9932649215b90ea7bf4bc28fa88831789d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-31T15:28:21Z",
    "title_canon_sha256": "cd45266fbd13f61d407c191acd4a501f57e709a667666b075a0c9b87628e2a09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09774",
    "kind": "arxiv",
    "version": 1
  }
}