Pith Number

pith:Z7RTS3QM

pith:2023:Z7RTS3QMNR47ODGYWPXGRMHVD3

not attested not anchored not stored refs pending

Knowledge is a Region in Weight Space for Fine-tuned Language Models

Almog Gueta, Colin Raffel, Elad Venezian, Leshem Choshen, Noam Slonim, Yoav Katz

arxiv:2302.04863 v3 · 2023-02-09 · cs.LG · cs.AI · 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{Z7RTS3QMNR47ODGYWPXGRMHVD3}

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	2026-07-05T07:00:21.047305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe3396e0c6c79f70cd8b3ee68b0f51ee1e794a371db30762f55dd3474ff650d

Aliases

arxiv: 2302.04863 · arxiv_version: 2302.04863v3 · doi: 10.48550/arxiv.2302.04863 · pith_short_12: Z7RTS3QMNR47 · pith_short_16: Z7RTS3QMNR47ODGY · pith_short_8: Z7RTS3QM

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/Z7RTS3QMNR47ODGYWPXGRMHVD3 \
  | 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: cfe3396e0c6c79f70cd8b3ee68b0f51ee1e794a371db30762f55dd3474ff650d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff992ec92d4a772f4324cf4c89a831eaf1d93261d3536e7b436131aea07bd029",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-02-09T18:59:18Z",
    "title_canon_sha256": "135d057a90fdd326ebbbad2d4cfa6540ad8e137b76e37c2197a80a8f591d277d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04863",
    "kind": "arxiv",
    "version": 3
  }
}