Pith Number

pith:YHRSAPUH

pith:2026:YHRSAPUH3DTFWEOYXT3YBMJDUJ

not attested not anchored not stored refs pending

CollabEval: Statistically Efficient Collaborative Model Evaluation via Matrix Completion

Adam Fisch, Alekh Agarwal, Amir Globerson, Daniel Deutsch, Jacob Eisenstein, Jonathan Berant, Joshua Maynez, William Cohen

arxiv:2607.05046 v1 · 2026-07-06 · 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{YHRSAPUH3DTFWEOYXT3YBMJDUJ}

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	2026-07-07T02:20:20.413378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e3203e87d8e65b11d8bcf780b123a24e41badd5ecdad56f091b5f2e944f3a7

Aliases

arxiv: 2607.05046 · arxiv_version: 2607.05046v1 · doi: 10.48550/arxiv.2607.05046 · pith_short_12: YHRSAPUH3DTF · pith_short_16: YHRSAPUH3DTFWEOY · pith_short_8: YHRSAPUH

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/YHRSAPUH3DTFWEOYXT3YBMJDUJ \
  | 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: c1e3203e87d8e65b11d8bcf780b123a24e41badd5ecdad56f091b5f2e944f3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc83f9d340ddfed1c463da7f8109a7b77c50cf28c5a008a4f3c5ccaf797b1cea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-06T13:22:04Z",
    "title_canon_sha256": "5952761a534a2a0e38aad7bb1d570edf9ad7a3795cdc83520c8da3cae3cddc10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05046",
    "kind": "arxiv",
    "version": 1
  }
}