Pith Number

pith:P5MPKTR4

pith:2019:P5MPKTR4A2DJYUWSZOFAV5JVWS

not attested not anchored not stored refs pending

Parameterized Complexity of Conflict-free Graph Coloring

Astrid Pieterse, Hans L. Bodlaender, Sudeshna Kolay

arxiv:1905.00305 v1 · 2019-05-01 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5MPKTR4A2DJYUWSZOFAV5JVWS}

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	2026-05-17T23:47:13.210874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f58f54e3c06869c52d2cb8a0af535b4875832f0ab46a13200232e79de025854

Aliases

arxiv: 1905.00305 · arxiv_version: 1905.00305v1 · doi: 10.48550/arxiv.1905.00305 · pith_short_12: P5MPKTR4A2DJ · pith_short_16: P5MPKTR4A2DJYUWS · pith_short_8: P5MPKTR4

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/P5MPKTR4A2DJYUWSZOFAV5JVWS \
  | 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: 7f58f54e3c06869c52d2cb8a0af535b4875832f0ab46a13200232e79de025854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a59bd69d8004afa4e0caa5d715569b747ce7eb3465dccafbad848373b81ec59",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-05-01T13:23:30Z",
    "title_canon_sha256": "b078f63459af8df4b436690981433b5486c4af8ee22751eb0d95dd953a6d16fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00305",
    "kind": "arxiv",
    "version": 1
  }
}