Pith Number

pith:RADUV6NV

pith:2026:RADUV6NVU73ZPOWYBJRD7PDVCX

not attested not anchored not stored refs pending

Reversa: A Reverse Documentation Engineering Framework for Converting Legacy Software into Operational Specifications for AI Agents

Ronaldo Martins da Costa, Sanderson Oliveira de Macedo

arxiv:2605.18684 v1 · 2026-05-18 · 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{RADUV6NVU73ZPOWYBJRD7PDVCX}

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	2026-05-20T00:06:14.921562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88074af9b5a7f797bad80a623fbc7515ec2b37f7dab47a0d47347397b79a54f7

Aliases

arxiv: 2605.18684 · arxiv_version: 2605.18684v1 · doi: 10.48550/arxiv.2605.18684 · pith_short_12: RADUV6NVU73Z · pith_short_16: RADUV6NVU73ZPOWY · pith_short_8: RADUV6NV

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/RADUV6NVU73ZPOWYBJRD7PDVCX \
  | 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: 88074af9b5a7f797bad80a623fbc7515ec2b37f7dab47a0d47347397b79a54f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398b1c7b8e0b16178e69b9373e05add6591c76de4bcfc4dd42d1ed7d80894a1a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-05-18T17:23:13Z",
    "title_canon_sha256": "6c14d9a6d9b219b03f02e1d93fe238ef6045861e84352c7eacc41b9871862b24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18684",
    "kind": "arxiv",
    "version": 1
  }
}