Pith Number

pith:RR6MJR2U

pith:2016:RR6MJR2UW4UE747A3MOVYT7WUK

not attested not anchored not stored refs pending

Verification of railway interlocking - Compositional approach with OCRA

Charles Pecheur, Christophe Limbree, Quentin Cappart, Stefano Tonetta

arxiv:1605.06245 v1 · 2016-05-20 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR6MJR2UW4UE747A3MOVYT7WUK}

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	2026-05-18T01:14:19.485553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7cc4c754b7284ff3e0db1d5c4ff6a29e1667217e4144456dad95363b643c81

Aliases

arxiv: 1605.06245 · arxiv_version: 1605.06245v1 · doi: 10.48550/arxiv.1605.06245 · pith_short_12: RR6MJR2UW4UE · pith_short_16: RR6MJR2UW4UE747A · pith_short_8: RR6MJR2U

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/RR6MJR2UW4UE747A3MOVYT7WUK \
  | 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: 8c7cc4c754b7284ff3e0db1d5c4ff6a29e1667217e4144456dad95363b643c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa2e115ac469676ee05e2f0f8786cdb7c29647618369ef30a6877c169d8585a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-05-20T08:46:43Z",
    "title_canon_sha256": "563437a882897f5fff65b33fe4e92ec9cb7ef72e6ce7d9cd80210fe2aaa9390a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06245",
    "kind": "arxiv",
    "version": 1
  }
}