Pith Number

pith:C2QV4IMD

pith:2024:C2QV4IMDT7NDBD2SP5VXTBKYDE

not attested not anchored not stored refs pending

Soft Checksums to Flag Untrustworthy Machine Learning Surrogate Predictions and Application to Atomic Physics Simulations

Casey Lauer, Jonathan B. Freund, Robert C. Blake

arxiv:2412.03497 v1 · 2024-12-04 · cs.LG · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2QV4IMDT7NDBD2SP5VXTBKYDE}

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	2026-07-05T09:44:30.329057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a15e21839fda308f527f6b79855819120a3b029c170f327cfd5ac1d08b8cf3

Aliases

arxiv: 2412.03497 · arxiv_version: 2412.03497v1 · doi: 10.48550/arxiv.2412.03497 · pith_short_12: C2QV4IMDT7ND · pith_short_16: C2QV4IMDT7NDBD2S · pith_short_8: C2QV4IMD

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/C2QV4IMDT7NDBD2SP5VXTBKYDE \
  | 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: 16a15e21839fda308f527f6b79855819120a3b029c170f327cfd5ac1d08b8cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a26d6d0f63bb6080998d07ad26e14fda72b4530d39f6e120a2f697f161239dbc",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-04T17:39:01Z",
    "title_canon_sha256": "287037c2086d07386393f818af2794a459b5313bde2cf1d49eca37f9f0ccce28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.03497",
    "kind": "arxiv",
    "version": 1
  }
}