Pith Number

pith:KTYWHZL7

pith:2026:KTYWHZL7TKUMJX5TC5IO74NGTN

not attested not anchored not stored refs pending

Foundational Refinement Proofs for Deployed Bytecode, at the Price of Tokens

Lefteris Lazaropoulos, Zoe Paraskevopoulou

arxiv:2607.26306 v1 · 2026-07-28 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTYWHZL7TKUMJX5TC5IO74NGTN}

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	2026-07-30T01:17:58.307247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

54f163e57f9aa8c4dfb31750eff1a69b7deee4be2ecea18524d58389ce5d43bc

Aliases

arxiv: 2607.26306 · arxiv_version: 2607.26306v1 · doi: 10.48550/arxiv.2607.26306 · pith_short_12: KTYWHZL7TKUM · pith_short_16: KTYWHZL7TKUMJX5T · pith_short_8: KTYWHZL7

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/KTYWHZL7TKUMJX5TC5IO74NGTN \
  | 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: 54f163e57f9aa8c4dfb31750eff1a69b7deee4be2ecea18524d58389ce5d43bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2059e5756ef98e7c7d667319baf8ebee065556f1d0554f549c8c0a6bc5f65d75",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-07-28T22:00:02Z",
    "title_canon_sha256": "aad253c58347e8ab2f1b5932c9c669877a7bbe618053ae5b8fee481a266c15c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26306",
    "kind": "arxiv",
    "version": 1
  }
}