Pith Number

pith:YEA7XEIT

pith:2017:YEA7XEITSOOH447HDMVALR56EZ

not attested not anchored not stored refs pending

A contract-based method to specify stimulus-response requirements

Alexandr Naumchev, Bertrand Meyer, Florian Galinier, Jean-Michel Bruel, Manuel Mazzara, Sophie Ebersold

arxiv:1704.04905 v1 · 2017-04-17 · 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{YEA7XEITSOOH447HDMVALR56EZ}

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	2026-05-18T00:46:17.492224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c101fb9113939c7e73e71b2a05c7be264b880a5c6b4fb1b563cdd06bb20d6bac

Aliases

arxiv: 1704.04905 · arxiv_version: 1704.04905v1 · doi: 10.48550/arxiv.1704.04905 · pith_short_12: YEA7XEITSOOH · pith_short_16: YEA7XEITSOOH447H · pith_short_8: YEA7XEIT

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/YEA7XEITSOOH447HDMVALR56EZ \
  | 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: c101fb9113939c7e73e71b2a05c7be264b880a5c6b4fb1b563cdd06bb20d6bac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b806f4e98f7ca409e3ee60b406fc3925b71a681b7fe09d249c20f38920531405",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-04-17T08:57:35Z",
    "title_canon_sha256": "cf8c605da4296cd3c06a12706720cbd22dd215e0d01eef359845281495acf046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04905",
    "kind": "arxiv",
    "version": 1
  }
}