Pith Number

pith:PWD3KTNN

pith:2017:PWD3KTNNYOGGCVJMQO3P2YW43M

not attested not anchored not stored refs pending

Evaluation of Temporal Formulas Based on "Checking By Spheres"

Wiktor B. Daszczuk

arxiv:1702.03564 v1 · 2017-02-12 · 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{PWD3KTNNYOGGCVJMQO3P2YW43M}

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	2026-05-18T00:47:48.038141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d87b54dadc38c61552c83b6fd62dcdb2da76d3f5cebd210e7d095068d89eb7b

Aliases

arxiv: 1702.03564 · arxiv_version: 1702.03564v1 · doi: 10.48550/arxiv.1702.03564 · pith_short_12: PWD3KTNNYOGG · pith_short_16: PWD3KTNNYOGGCVJM · pith_short_8: PWD3KTNN

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/PWD3KTNNYOGGCVJMQO3P2YW43M \
  | 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: 7d87b54dadc38c61552c83b6fd62dcdb2da76d3f5cebd210e7d095068d89eb7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e199e31aa4961c0987b0c7725b6c110c41a3c58d1aaaefa14c6b7464eb0dd50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-02-12T19:29:36Z",
    "title_canon_sha256": "bbb537d748a2e12acda1376b42f380795c5356f5a3afdeb541aec05344ef7011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03564",
    "kind": "arxiv",
    "version": 1
  }
}