Pith Number

pith:TRP5BNDF

pith:2023:TRP5BNDFL4VDMLSGDZXIQQC5WU

not attested not anchored not stored refs pending

Column Generation for Real-Time Ride-Sharing Operations

Antoine Legrain, Connor Riley, Pascal Van Hentenryck

arxiv:2303.02522 v1 · 2023-03-04 · 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{TRP5BNDFL4VDMLSGDZXIQQC5WU}

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	2026-07-05T05:48:12.272313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c5fd0b4655f2a362e461e6e88405db52653864e1aa0ee3590797d334e9fcfb4

Aliases

arxiv: 2303.02522 · arxiv_version: 2303.02522v1 · doi: 10.48550/arxiv.2303.02522 · pith_short_12: TRP5BNDFL4VD · pith_short_16: TRP5BNDFL4VDMLSG · pith_short_8: TRP5BNDF

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/TRP5BNDFL4VDMLSGDZXIQQC5WU \
  | 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: 9c5fd0b4655f2a362e461e6e88405db52653864e1aa0ee3590797d334e9fcfb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "496f25f1aa388cf51b8ac49d4efa0b4b8e1f90df3e596ce50b9065891f870403",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-03-04T23:01:47Z",
    "title_canon_sha256": "ab7f8ead05d295756628259924e7040c55d9e872f7108d35266067cdaf3fde2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02522",
    "kind": "arxiv",
    "version": 1
  }
}