Pith Number

pith:7QOEALVE

pith:2017:7QOEALVEESWG6J3SDT62DNX7PH

not attested not anchored not stored refs pending

Liveness Verification and Synthesis: New Algorithms for Recursive Programs

Elisabeth Neumann, Roland Meyer, Sebastian Muskalla

arxiv:1701.02947 v1 · 2017-01-11 · cs.FL · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QOEALVEESWG6J3SDT62DNX7PH}

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	2026-05-18T00:52:59.760738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1c402ea424ac6f27721cfda1b6ff79eb2badf05f91f7fb8e58b4da32192b19

Aliases

arxiv: 1701.02947 · arxiv_version: 1701.02947v1 · doi: 10.48550/arxiv.1701.02947 · pith_short_12: 7QOEALVEESWG · pith_short_16: 7QOEALVEESWG6J3S · pith_short_8: 7QOEALVE

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/7QOEALVEESWG6J3SDT62DNX7PH \
  | 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: fc1c402ea424ac6f27721cfda1b6ff79eb2badf05f91f7fb8e58b4da32192b19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd0d8596c9c7c53be6d831fcd5d061b2cf04d2d15856e90ecdcd899d28b39cac",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-01-11T12:21:51Z",
    "title_canon_sha256": "a1771428ef7ada6b6833ea64715cdf98bd6e95ed32405293bd59e41566dca333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02947",
    "kind": "arxiv",
    "version": 1
  }
}