Pith Number

pith:2WWG6H5S

pith:2016:2WWG6H5SDCK2MCI4UAH2KWZBN7

not attested not anchored not stored refs pending

Spatio-temporal Models for Formal Analysis and Property-based Testing

Jan Olaf Blech, Maria Spichkova, Nasser Alzahrani

arxiv:1612.01686 v2 · 2016-12-06 · 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{2WWG6H5SDCK2MCI4UAH2KWZBN7}

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	2026-05-18T00:55:28.216758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5ac6f1fb21895a6091ca00fa55b216fce83884bf9e09f36eb9aad29bd0247f6

Aliases

arxiv: 1612.01686 · arxiv_version: 1612.01686v2 · doi: 10.48550/arxiv.1612.01686 · pith_short_12: 2WWG6H5SDCK2 · pith_short_16: 2WWG6H5SDCK2MCI4 · pith_short_8: 2WWG6H5S

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/2WWG6H5SDCK2MCI4UAH2KWZBN7 \
  | 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: d5ac6f1fb21895a6091ca00fa55b216fce83884bf9e09f36eb9aad29bd0247f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79dc1f2c2a7b1a8644058533c16d4e535b923f1833abc5e4bbfebcc0de4712ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-12-06T06:54:07Z",
    "title_canon_sha256": "dbd0f78dc6af506dfb4a6a25464c6f0dc81d759578c16675be3d9780187fd2e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01686",
    "kind": "arxiv",
    "version": 2
  }
}