Pith Number

pith:4VS2Y5UC

pith:2025:4VS2Y5UCBOTEH4RJ5JWW5WCGSW

not attested not anchored not stored refs pending

Information-Theoretic Detection of Unusual Source Code Changes

Adriano Torres, Christoph Treude, Markus Wagner, Sebastian Baltes

arxiv:2506.06508 v1 · 2025-06-06 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VS2Y5UCBOTEH4RJ5JWW5WCGSW}

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	2026-07-05T11:17:51.398993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e565ac76820ba643f229ea6d6ed84695b151908780f4c8569315ed33e9d3068f

Aliases

arxiv: 2506.06508 · arxiv_version: 2506.06508v1 · doi: 10.48550/arxiv.2506.06508 · pith_short_12: 4VS2Y5UCBOTE · pith_short_16: 4VS2Y5UCBOTEH4RJ · pith_short_8: 4VS2Y5UC

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/4VS2Y5UCBOTEH4RJ5JWW5WCGSW \
  | 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: e565ac76820ba643f229ea6d6ed84695b151908780f4c8569315ed33e9d3068f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f999a7f7cb33977c10c618e3bef0848b57e051ed5aeb9e0b480d1c5575382fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-06-06T20:03:13Z",
    "title_canon_sha256": "f33cd315e722a041358dd925bd7d1ee8d05ec4a05b7c7a1ddc47b949966c5abe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06508",
    "kind": "arxiv",
    "version": 1
  }
}