Pith Number

pith:CY7IEZC2

pith:2026:CY7IEZC2ZTEMLS3KJONM565DJS

not attested not anchored not stored refs pending

Toward Mechanistic Interpretability of an AI Foundation Model Fine-Tuned for Atmospheric Chemistry

Ivan Higuera-Mendieta, Jason Y. Hu, Makoto M. Kelp, Patrick Obin Sturm

arxiv:2607.20778 v1 · 2026-07-22 · cs.LG · physics.ao-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{CY7IEZC2ZTEMLS3KJONM565DJS}

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	2026-07-24T00:23:34.213384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

163e82645accc8c5cb6a4b9acefba34cbe9349a3d3f031ae44d94ea0c52e83f2

Aliases

arxiv: 2607.20778 · arxiv_version: 2607.20778v1 · doi: 10.48550/arxiv.2607.20778 · pith_short_12: CY7IEZC2ZTEM · pith_short_16: CY7IEZC2ZTEMLS3K · pith_short_8: CY7IEZC2

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/CY7IEZC2ZTEMLS3KJONM565DJS \
  | 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: 163e82645accc8c5cb6a4b9acefba34cbe9349a3d3f031ae44d94ea0c52e83f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf6b930b15368611a5b9698df7a3056289d068d99bd44ce1cc8694f825798601",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-22T23:00:02Z",
    "title_canon_sha256": "63f2396bb5dc9e384b11792cebe55a2186af0e5185615cb6ce9c926fb86657f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20778",
    "kind": "arxiv",
    "version": 1
  }
}