Pith Number

pith:QYNDRGD2

pith:2022:QYNDRGD27RDMA22WRCQPLF4JG4

not attested not anchored not stored refs pending

Instance generation tool for on-demand transportation problems

Flavien Lucas, Kenneth Sorensen, Michell Queiroz

arxiv:2208.12225 v1 · 2022-08-23 · cs.SI · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYNDRGD27RDMA22WRCQPLF4JG4}

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	2026-07-05T04:51:36.199501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

861a38987afc46c06b5688a0f597893701341b81d5754bb534b8b9eb5ac903a5

Aliases

arxiv: 2208.12225 · arxiv_version: 2208.12225v1 · doi: 10.48550/arxiv.2208.12225 · pith_short_12: QYNDRGD27RDM · pith_short_16: QYNDRGD27RDMA22W · pith_short_8: QYNDRGD2

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/QYNDRGD27RDMA22WRCQPLF4JG4 \
  | 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: 861a38987afc46c06b5688a0f597893701341b81d5754bb534b8b9eb5ac903a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f545181ccbd6577207f2868bac76afbe5e5d76db298f2d8d7f0c1f5550e778e5",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2022-08-23T16:04:08Z",
    "title_canon_sha256": "11f77312fc41969eada219a90e4508774e9b8f14debbd7b9cb7cd8107fdb504f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.12225",
    "kind": "arxiv",
    "version": 1
  }
}