Pith Number

pith:E7GDETWV

pith:2025:E7GDETWV7GQVG3SBLYZVQBA4UY

not attested not anchored not stored refs pending

A Cartography of Open Collaboration in Open Source AI: Mapping Practices, Motivations, and Governance in 14 Open Large Language Model Projects

Ben Burtenshaw, Cailean Osborne, Jennifer Ding, Johan Lin{\aa}ker

arxiv:2509.25397 v2 · 2025-09-29 · cs.SE · cs.AI · 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{E7GDETWV7GQVG3SBLYZVQBA4UY}

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	2026-06-05T01:14:29.682120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27cc324ed5f9a1536e415e3358041ca6232e6b02f4d7dcf9e62ad79bbd72862f

Aliases

arxiv: 2509.25397 · arxiv_version: 2509.25397v2 · doi: 10.48550/arxiv.2509.25397 · pith_short_12: E7GDETWV7GQV · pith_short_16: E7GDETWV7GQVG3SB · pith_short_8: E7GDETWV

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/E7GDETWV7GQVG3SBLYZVQBA4UY \
  | 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: 27cc324ed5f9a1536e415e3358041ca6232e6b02f4d7dcf9e62ad79bbd72862f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99247c20c29d016351e575d5877525e26182477248c63176bd94b4f0af16eff4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-09-29T18:55:18Z",
    "title_canon_sha256": "6d140ac5c5cf85d1a336a44766fec913d291d89bb0e96805c0a6780b7246e686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25397",
    "kind": "arxiv",
    "version": 2
  }
}