Pith Number

pith:SX6F7LLL

pith:2026:SX6F7LLLSTWW3NABL2XDWRYM6U

not attested not anchored not stored refs pending

Surrogate Fidelity: When Can Open LLMs Explain Closed Ones?

Aobo Yang, Ayush Warikoo, Chia-Tse Shao, Nehal Bandi, Philippe Chlenski, Vivek Miglani, Yingxiao Ye, Zachariah Carmichael

arxiv:2606.32008 v1 · 2026-06-30 · 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{SX6F7LLLSTWW3NABL2XDWRYM6U}

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	2026-07-01T01:18:28.938899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95fc5fad6b94ed6db4015eae3b470cf50167147d39fb354c1250a3925fd04464

Aliases

arxiv: 2606.32008 · arxiv_version: 2606.32008v1 · doi: 10.48550/arxiv.2606.32008 · pith_short_12: SX6F7LLLSTWW · pith_short_16: SX6F7LLLSTWW3NAB · pith_short_8: SX6F7LLL

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/SX6F7LLLSTWW3NABL2XDWRYM6U \
  | 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: 95fc5fad6b94ed6db4015eae3b470cf50167147d39fb354c1250a3925fd04464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a71bef9e850bc5ecd87a1be96d021484947e254abeeb8c50fdaecb07a6634057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-30T17:43:44Z",
    "title_canon_sha256": "a4f8f93df4c32b48ff9c882f5d1926604f25814ee4e1bf22f5196d7e33aa6d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.32008",
    "kind": "arxiv",
    "version": 1
  }
}