Pith Number

pith:4MFDUZN4

pith:2026:4MFDUZN4ZIXYVR57G75P6V4Q3I

not attested not anchored not stored refs pending

When May a Model Replace the Experiment? Audits, Licenses, and the Price of Trust in Surrogate-Driven Design

Shuangxiu (Max) Ma, Wenhe (Zachary) Zhao

arxiv:2608.01378 v1 · 2026-08-02 · 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{4MFDUZN4ZIXYVR57G75P6V4Q3I}

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	2026-08-04T02:04:54.739157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30a3a65bcca2f8ac7bf37faff5790da38d3edaa6349ffc17eace62810f421e8

Aliases

arxiv: 2608.01378 · arxiv_version: 2608.01378v1 · doi: 10.48550/arxiv.2608.01378 · pith_short_12: 4MFDUZN4ZIXY · pith_short_16: 4MFDUZN4ZIXYVR57 · pith_short_8: 4MFDUZN4

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/4MFDUZN4ZIXYVR57G75P6V4Q3I \
  | 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: e30a3a65bcca2f8ac7bf37faff5790da38d3edaa6349ffc17eace62810f421e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb48f0ae28c3ee817353c50333049804e83083da03059daaa5a01791c0efa902",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-02T16:59:29Z",
    "title_canon_sha256": "ff1e6dea4a9be28f8f72c406e0bc2c3bd41516266f23f43c3af1874b990d7d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01378",
    "kind": "arxiv",
    "version": 1
  }
}