Pith Number

pith:GDZYRTP5

pith:2020:GDZYRTP5P6S34BHUGNYGDBGAYX

not attested not anchored not stored refs pending

An anytime tree search algorithm for the 2018 ROADEF/EURO challenge glass cutting problem

Florian Fontan, Luc Libralesso

arxiv:2004.00963 v1 · 2020-04-02 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDZYRTP5P6S34BHUGNYGDBGAYX}

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	2026-07-05T00:52:22.144828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f388cdfd7fa5be04f433706184c0c5cb429f52de5d6c9b5f2a6ea6d5e0f806

Aliases

arxiv: 2004.00963 · arxiv_version: 2004.00963v1 · doi: 10.48550/arxiv.2004.00963 · pith_short_12: GDZYRTP5P6S3 · pith_short_16: GDZYRTP5P6S34BHU · pith_short_8: GDZYRTP5

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/GDZYRTP5P6S34BHUGNYGDBGAYX \
  | 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: 30f388cdfd7fa5be04f433706184c0c5cb429f52de5d6c9b5f2a6ea6d5e0f806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a71e846d09943c7c646d7984bd68af9a72d5c6c8912f2514bdc1f7eb445e572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-04-02T12:51:26Z",
    "title_canon_sha256": "9963157b0c0fbf297445bb46aa4c663d1e87ced9fcec6e9285019ad627ce4d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00963",
    "kind": "arxiv",
    "version": 1
  }
}