Pith Number

pith:PYPY44CM

pith:2025:PYPY44CM65J6I7MLYUTSBXOSNY

not attested not anchored not stored refs pending

Model Hubs and Beyond: Analyzing Model Popularity, Performance, and Documentation

Agnish Saha, Mayank Singh, Pritam Kadasi, Rohit Jindal, Rudranshu Sen, Sayani Sarkar, Soumavo Sikdar, Sriman Reddy Kondam, Srivathsa Vamsi Chaturvedula, Suhani Mittal

arxiv:2503.15222 v2 · 2025-03-19 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYPY44CM65J6I7MLYUTSBXOSNY}

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	2026-07-05T10:45:18.667616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e1f8e704cf753e47d8bc52720ddd26e26ea37fcbabaa3eca7341de818f65978

Aliases

arxiv: 2503.15222 · arxiv_version: 2503.15222v2 · doi: 10.48550/arxiv.2503.15222 · pith_short_12: PYPY44CM65J6 · pith_short_16: PYPY44CM65J6I7ML · pith_short_8: PYPY44CM

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/PYPY44CM65J6I7MLYUTSBXOSNY \
  | 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: 7e1f8e704cf753e47d8bc52720ddd26e26ea37fcbabaa3eca7341de818f65978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2ce6cd58fa98be369f49a1adae2f0697bcf69e3254bdb85f30eda6ee1ea8f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-19T14:01:33Z",
    "title_canon_sha256": "f11b02a15a65ae118db51bf3912eedeb0b79626ca2a38e4f4387bfc3147f2b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.15222",
    "kind": "arxiv",
    "version": 2
  }
}