Pith Number

pith:PZ3PEIFG

pith:2025:PZ3PEIFGWX5N3BMX35RBSWDEWB

not attested not anchored not stored refs pending

Verde: Verification via Refereed Delegation for Machine Learning Programs

Adam St. Arnaud, Alexey Titov, Arasu Arun, Ben Fielding, Brian Wilcox, Joseph Bonneau, Marc Brinkmann, Oguzhan Ersoy, Viktor Kolobaric

arxiv:2502.19405 v1 · 2025-02-26 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZ3PEIFGWX5N3BMX35RBSWDEWB}

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.

Cited by

2 papers in Pith

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Receipt and verification

First computed	2026-07-05T10:20:31.775500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e76f220a6b5fadd8597df62195864b0478a5199cf2b85197db2926112986cc2

Aliases

arxiv: 2502.19405 · arxiv_version: 2502.19405v1 · doi: 10.48550/arxiv.2502.19405 · pith_short_12: PZ3PEIFGWX5N · pith_short_16: PZ3PEIFGWX5N3BMX · pith_short_8: PZ3PEIFG

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/PZ3PEIFGWX5N3BMX35RBSWDEWB \
  | 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: 7e76f220a6b5fadd8597df62195864b0478a5199cf2b85197db2926112986cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97549f623ecfebb0751cc5a5655fc5a98ebf2d7dd5bff2970eb2afdba5c7b9ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-26T18:53:31Z",
    "title_canon_sha256": "a44215f92f8ef5626574005ac26e1ec0fadbaa8640cc2390553c7de2b61d2041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19405",
    "kind": "arxiv",
    "version": 1
  }
}