Pith Number

pith:SBPL22IW

pith:2025:SBPL22IWHQ6JYAD23SYDTBB3GU

not attested not anchored not stored refs pending

From Construction to Injection: Edit-Based Fingerprints for Large Language Models

Dongsheng Shi, Gerard de Melo, Linlin Wang, Xin Yi, Yongyi Cui, Yue Li

arxiv:2509.03122 v4 · 2025-09-03 · cs.CL · 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{SBPL22IWHQ6JYAD23SYDTBB3GU}

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	2026-06-19T16:12:47.497010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

905ebd69163c3c9c007adcb039843b353579c56f2ade7670aec754f4b8697dd7

Aliases

arxiv: 2509.03122 · arxiv_version: 2509.03122v4 · doi: 10.48550/arxiv.2509.03122 · pith_short_12: SBPL22IWHQ6J · pith_short_16: SBPL22IWHQ6JYAD2 · pith_short_8: SBPL22IW

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/SBPL22IWHQ6JYAD23SYDTBB3GU \
  | 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: 905ebd69163c3c9c007adcb039843b353579c56f2ade7670aec754f4b8697dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97506761da81c24d3ed096ad21430f325b8e0714aab20d4fd4c7ef88dbe189b2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-03T08:22:04Z",
    "title_canon_sha256": "dccd12bd4a1b992f658ec5dfbbfda648df87992bab2247057582f38b7108b986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03122",
    "kind": "arxiv",
    "version": 4
  }
}