Pith Number

pith:WKDKIIHB

pith:2024:WKDKIIHBDMUQGYXH6INMGOSRBT

not attested not anchored not stored refs pending

Impermanent Identifiers: Enhanced Source Code Comprehension and Refactoring

Andrea Janes, Andre A. S. Ivo, Eduardo Martins Guerra, Fabio Fagundes Silveira, Fernando O. Pereira, Romain Robbes

arxiv:2406.09066 v2 · 2024-06-13 · 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{WKDKIIHBDMUQGYXH6INMGOSRBT}

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	2026-07-05T09:41:37.853969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b286a420e11b290362e7f21ac33a510cf31ed12e4854bc9abb5ad4b4a02f1ccd

Aliases

arxiv: 2406.09066 · arxiv_version: 2406.09066v2 · doi: 10.48550/arxiv.2406.09066 · pith_short_12: WKDKIIHBDMUQ · pith_short_16: WKDKIIHBDMUQGYXH · pith_short_8: WKDKIIHB

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/WKDKIIHBDMUQGYXH6INMGOSRBT \
  | 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: b286a420e11b290362e7f21ac33a510cf31ed12e4854bc9abb5ad4b4a02f1ccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5950af1e1476feae0b0cbca8bf8e274a91764551b33f1e5e5114680e0d581399",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-06-13T12:54:02Z",
    "title_canon_sha256": "36c87f7c55974a88d8f8d18bee888ef7db3c8d012c73e73d124278b7c3698e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.09066",
    "kind": "arxiv",
    "version": 2
  }
}