Pith Number

pith:FBHLFZRN

pith:2018:FBHLFZRNGMEA5ZO2UGXRTZFXS3

not attested not anchored not stored refs pending

Heuristic algorithms for the Maximum Colorful Subtree problem

Kai D\"uhrkop, Marie Anne Lataretu, Sebastian B\"ocker, W. Timothy J. White

arxiv:1801.07456 v3 · 2018-01-23 · 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{FBHLFZRNGMEA5ZO2UGXRTZFXS3}

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	2026-05-18T00:23:44.838298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

284eb2e62d33080ee5daa1af19e4b796dc0c3617d61995d7b4901dff5ca661f3

Aliases

arxiv: 1801.07456 · arxiv_version: 1801.07456v3 · doi: 10.48550/arxiv.1801.07456 · pith_short_12: FBHLFZRNGMEA · pith_short_16: FBHLFZRNGMEA5ZO2 · pith_short_8: FBHLFZRN

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/FBHLFZRNGMEA5ZO2UGXRTZFXS3 \
  | 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: 284eb2e62d33080ee5daa1af19e4b796dc0c3617d61995d7b4901dff5ca661f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dd7247f1ba869dd89af02439e60f6dfb166b083a53e033047753f313eed835a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-01-23T09:52:58Z",
    "title_canon_sha256": "d6d487b052c34b06706f05e000170205024d15557aeefa5f4372ce050616df85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07456",
    "kind": "arxiv",
    "version": 3
  }
}