Pith Number

pith:S3BTM7VM

pith:2017:S3BTM7VMPU2Q5QNU5XTBGFBIME

not attested not anchored not stored refs pending

AutoReq: expressing and verifying requirements for control systems

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

arxiv:1710.02801 v2 · 2017-10-08 · 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{S3BTM7VMPU2Q5QNU5XTBGFBIME}

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	2026-05-17T23:54:56.580197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96c3367eac7d350ec1b4ede61314286101970950dab2864f5e6463969b82a3c9

Aliases

arxiv: 1710.02801 · arxiv_version: 1710.02801v2 · doi: 10.48550/arxiv.1710.02801 · pith_short_12: S3BTM7VMPU2Q · pith_short_16: S3BTM7VMPU2Q5QNU · pith_short_8: S3BTM7VM

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/S3BTM7VMPU2Q5QNU5XTBGFBIME \
  | 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: 96c3367eac7d350ec1b4ede61314286101970950dab2864f5e6463969b82a3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd754a5742b5508595d77c246f04b6de0a7aeba726a0d59c732a3abe45ab6f39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-10-08T08:04:18Z",
    "title_canon_sha256": "f1755a36a91ed41649fae4b2fbaf938743a911357030c21bfe4407870f38bfa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02801",
    "kind": "arxiv",
    "version": 2
  }
}