Pith Number

pith:SFOV44UH

pith:2026:SFOV44UHTIYLSM3VZVO4XQSVQ7

not attested not anchored not stored refs pending

Refactoring-as-Propositions: Proved Refactoring of Hybrid Systems via Proved Refinements

Andr\'e Platzer, Enguerrand Prebet

arxiv:2605.15001 v1 · 2026-05-14 · 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{SFOV44UHTIYLSM3VZVO4XQSVQ7}

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	2026-05-17T23:38:54.914386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

915d5e72879a30b93375cd5dcbc25587f713efc8f15f2647d69ffed8d3ccb79b

Aliases

arxiv: 2605.15001 · arxiv_version: 2605.15001v1 · doi: 10.48550/arxiv.2605.15001 · pith_short_12: SFOV44UHTIYL · pith_short_16: SFOV44UHTIYLSM3V · pith_short_8: SFOV44UH

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/SFOV44UHTIYLSM3VZVO4XQSVQ7 \
  | 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: 915d5e72879a30b93375cd5dcbc25587f713efc8f15f2647d69ffed8d3ccb79b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc147812c0ba5a1c1f540ed53617ecc121b27d9ea5d95f6011576e8f8536027",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-14T16:03:28Z",
    "title_canon_sha256": "20a544c3f69f1a2570a43b55ecc5092fdbb4c8fde604e2d6bb63e212a4834023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15001",
    "kind": "arxiv",
    "version": 1
  }
}