Pith Number

pith:BYY4OZQ7

pith:2015:BYY4OZQ7NHAHBAFSBZGOT6HZ2S

not attested not anchored not stored refs pending

Cutting Stock with Binary Patterns: Arc-flow Formulation with Graph Compression

Filipe Brand\~ao, Jo\~ao Pedro Pedroso

arxiv:1502.02899 v1 · 2015-02-10 · math.OC · 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{BYY4OZQ7NHAHBAFSBZGOT6HZ2S}

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	2026-05-18T02:27:30.458587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e31c7661f69c07080b20e4ce9f8f9d4ad3b687ca419c0d642064d2b8449cc89

Aliases

arxiv: 1502.02899 · arxiv_version: 1502.02899v1 · doi: 10.48550/arxiv.1502.02899 · pith_short_12: BYY4OZQ7NHAH · pith_short_16: BYY4OZQ7NHAHBAFS · pith_short_8: BYY4OZQ7

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/BYY4OZQ7NHAHBAFSBZGOT6HZ2S \
  | 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: 0e31c7661f69c07080b20e4ce9f8f9d4ad3b687ca419c0d642064d2b8449cc89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be2d2cc2fc561cfd144086b065065c1dfb3cc59e21f32beb81ce3401324bf42",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-02-10T13:30:23Z",
    "title_canon_sha256": "ba7b0fc1a115202adb6907d619b888ac5cffeca7c6434f0dd60ba7adc24b8053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02899",
    "kind": "arxiv",
    "version": 1
  }
}