Pith Number

pith:5SDHJUAB

pith:2026:5SDHJUABBTR3JHAGPYPA5L5NPR

not attested not anchored not stored refs pending

Agentic Method for Deterministic Validation of Legacy Code Migration

Andras Ferenczi, Jordan Docherty, Krishna Lingamneni, Mariya Bessonov, Matthew Findlay

arxiv:2607.28271 v1 · 2026-07-30 · cs.SE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SDHJUABBTR3JHAGPYPA5L5NPR}

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	2026-07-31T01:37:06.618413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

ec8674d0010ce3b49c067e1e0eafad7c52f3b3e16118bd86e47b6c2b410f8a6f

Aliases

arxiv: 2607.28271 · arxiv_version: 2607.28271v1 · doi: 10.48550/arxiv.2607.28271 · pith_short_12: 5SDHJUABBTR3 · pith_short_16: 5SDHJUABBTR3JHAG · pith_short_8: 5SDHJUAB

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/5SDHJUABBTR3JHAGPYPA5L5NPR \
  | 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: ec8674d0010ce3b49c067e1e0eafad7c52f3b3e16118bd86e47b6c2b410f8a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4182ea8fe99cb725c3b67502383be78f35e7c42d456a764841ed5002b19444a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-30T14:25:23Z",
    "title_canon_sha256": "5ac0962aa1c9bca08732902c1be3496e62487dc19bb7dadda169ced8b4af70ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28271",
    "kind": "arxiv",
    "version": 1
  }
}