Pith Number

pith:YYJYGHNJ

pith:2017:YYJYGHNJXZLOF6LWUPELHPJKG4

not attested not anchored not stored refs pending

The Maximum Colorful Arborescence problem parameterized by the structure of its color hierarchy graph

Christian Komusiewicz, Guillaume Fertin, Julien Fradin

arxiv:1710.07584 v2 · 2017-10-20 · cs.CC · cs.DS · 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{YYJYGHNJXZLOF6LWUPELHPJKG4}

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	2026-05-18T00:22:20.632580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c613831da9be56e2f976a3c8b3bd2a372598a1d3c64207b82edb79f3061b075a

Aliases

arxiv: 1710.07584 · arxiv_version: 1710.07584v2 · doi: 10.48550/arxiv.1710.07584 · pith_short_12: YYJYGHNJXZLO · pith_short_16: YYJYGHNJXZLOF6LW · pith_short_8: YYJYGHNJ

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/YYJYGHNJXZLOF6LWUPELHPJKG4 \
  | 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: c613831da9be56e2f976a3c8b3bd2a372598a1d3c64207b82edb79f3061b075a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5688fef1ba489b845fdad73c3cbb2af97c18fc402c5073e398daca6963772660",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-10-20T15:55:58Z",
    "title_canon_sha256": "170ee84a1dfd2c393f561b677ff039e834f6345e07fb30d6332afe443682492d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07584",
    "kind": "arxiv",
    "version": 2
  }
}