Pith Number

pith:L4NUSEM7

pith:2022:L4NUSEM7SRTIIXOHUSK453OTAX

not attested not anchored not stored refs pending

Towards the Future: Bring Program Correctness back to the focus

Chongyi Yuan, Lijie Wen, Xiongliang Yan

arxiv:2203.15653 v1 · 2022-03-29 · cs.SE · 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{L4NUSEM7SRTIIXOHUSK453OTAX}

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	2026-07-05T04:09:28.727608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1b49119f9466845dc7a495ceedd305f3ad54dc47b77bc6ad9baff12a1d6590

Aliases

arxiv: 2203.15653 · arxiv_version: 2203.15653v1 · doi: 10.48550/arxiv.2203.15653 · pith_short_12: L4NUSEM7SRTI · pith_short_16: L4NUSEM7SRTIIXOH · pith_short_8: L4NUSEM7

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/L4NUSEM7SRTIIXOHUSK453OTAX \
  | 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: 5f1b49119f9466845dc7a495ceedd305f3ad54dc47b77bc6ad9baff12a1d6590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf504422ff5cd212deb1e9e28c2f533f59d6c2297760436c2f309c51af9c6d2",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-03-29T15:11:04Z",
    "title_canon_sha256": "6dbbf3b50bc3902ecad957fa6101e2229d5c5a24b9e08f742a2ef64def9a8c75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15653",
    "kind": "arxiv",
    "version": 1
  }
}