Pith Number

pith:FRVBMYB4

pith:2021:FRVBMYB4XOKADIICUV77CNYLSR

not attested not anchored not stored refs pending

Optimising Rolling Stock Planning including Maintenance with Constraint Programming and Quantum Annealing

Armin Wolf, Christina Riehn, Cristian Grozea, Matthias Koch, Patricia Bickert, Ronny Hans

arxiv:2109.07212 v3 · 2021-09-15 · cs.AI · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRVBMYB4XOKADIICUV77CNYLSR}

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.

Cited by

1 paper in Pith

Rolling Stock Planning Using the Quantum Approximate Optimization Algorithm

Receipt and verification

First computed	2026-07-05T06:53:28.537601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6a16603cbb9401a102a57ff1370b947d6e824c369897bdfc05e9e752ca172c

Aliases

arxiv: 2109.07212 · arxiv_version: 2109.07212v3 · doi: 10.48550/arxiv.2109.07212 · pith_short_12: FRVBMYB4XOKA · pith_short_16: FRVBMYB4XOKADIIC · pith_short_8: FRVBMYB4

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/FRVBMYB4XOKADIICUV77CNYLSR \
  | 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: 2c6a16603cbb9401a102a57ff1370b947d6e824c369897bdfc05e9e752ca172c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b24b37b536b947cb4f444c9136b9c2ae7498f8cb0bbfa83e1bd0db88c8098308",
    "cross_cats_sorted": [
      "q-fin.ST"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-09-15T11:00:53Z",
    "title_canon_sha256": "ec50f2bbb2f9d23a048c1b4e3a7e0e1f33d2c223a7c61b585b3a573132c0d1ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07212",
    "kind": "arxiv",
    "version": 3
  }
}