Pith Number

pith:CF7RCQNC

pith:2017:CF7RCQNCRY3F6ESERWUGVBPEAP

not attested not anchored not stored refs pending

From Temporal Models to Property-Based Testing

Jan Olaf Blech, Maria Spichkova, Nasser Alzahrani

arxiv:1705.10032 v1 · 2017-05-29 · 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{CF7RCQNCRY3F6ESERWUGVBPEAP}

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	2026-05-18T00:43:32.141433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117f1141a28e365f12448da86a85e403f66bcbbc00058d08c1d33a2c9926c797

Aliases

arxiv: 1705.10032 · arxiv_version: 1705.10032v1 · doi: 10.48550/arxiv.1705.10032 · pith_short_12: CF7RCQNCRY3F · pith_short_16: CF7RCQNCRY3F6ESE · pith_short_8: CF7RCQNC

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/CF7RCQNCRY3F6ESERWUGVBPEAP \
  | 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: 117f1141a28e365f12448da86a85e403f66bcbbc00058d08c1d33a2c9926c797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ca28ccab670d5ad71b7ed0ff51628937397e4d976ae50c035766effc810e31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-05-29T03:54:15Z",
    "title_canon_sha256": "b7849a395e788e9d43ab6fac7c01b6d7c82e64c71129e83e795ac0869a1f7b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10032",
    "kind": "arxiv",
    "version": 1
  }
}