Pith Number

pith:R62IVXRV

pith:2025:R62IVXRVG2QUE3XZYBSKVZG7SS

not attested not anchored not stored refs pending

Optimizing rake-links independently of timetables in railway operations

Sourav Dey

arxiv:2506.07024 v1 · 2025-06-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R62IVXRVG2QUE3XZYBSKVZG7SS}

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	2026-07-05T11:17:59.899264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb48ade3536a1426ef9c064aae4df948f6b8e932d8680e4516e878f16e8cd1b

Aliases

arxiv: 2506.07024 · arxiv_version: 2506.07024v1 · doi: 10.48550/arxiv.2506.07024 · pith_short_12: R62IVXRVG2QU · pith_short_16: R62IVXRVG2QUE3XZ · pith_short_8: R62IVXRV

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/R62IVXRVG2QUE3XZYBSKVZG7SS \
  | 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: 8fb48ade3536a1426ef9c064aae4df948f6b8e932d8680e4516e878f16e8cd1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a3bf2bd26fa34a209bcf195104ea9920c532649caa79d83b01b0b5c0f10f133",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-06-08T07:20:45Z",
    "title_canon_sha256": "c6559ebb43fa989d9585cca2fb83e2e4d8a61b0fd4c474beff0e935b932f8aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07024",
    "kind": "arxiv",
    "version": 1
  }
}