Pith Number

pith:DMY3LGA6

pith:2025:DMY3LGA6LS3OB4OKZZNOW5L6QH

not attested not anchored not stored refs pending

The Challenge of Identifying the Origin of Black-Box Large Language Models

Michael Backes, Wei Dai, Yang Zhang, Yixin Wu, Yun Shen, Ziqing Yang

arxiv:2503.04332 v1 · 2025-03-06 · cs.CR · 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{DMY3LGA6LS3OB4OKZZNOW5L6QH}

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.

Cited by

1 paper in Pith

Answer-Centric or Reasoning-Driven? Uncovering the Latent Memory Anchor in LLMs

Receipt and verification

First computed	2026-07-05T10:25:36.032895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b31b5981e5cb6e0f1cace5aeb757e81d375de3b2c1c5ab501820cf35e75e007

Aliases

arxiv: 2503.04332 · arxiv_version: 2503.04332v1 · doi: 10.48550/arxiv.2503.04332 · pith_short_12: DMY3LGA6LS3O · pith_short_16: DMY3LGA6LS3OB4OK · pith_short_8: DMY3LGA6

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/DMY3LGA6LS3OB4OKZZNOW5L6QH \
  | 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: 1b31b5981e5cb6e0f1cace5aeb757e81d375de3b2c1c5ab501820cf35e75e007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f07a12cade02089ae5f453fc4f91863d894229f062d595aa48d8e7ef4a72c260",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-03-06T11:30:32Z",
    "title_canon_sha256": "a44164d7f5fef1a6242e8998501822bf4e08ab081b636c3115508173828a7525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04332",
    "kind": "arxiv",
    "version": 1
  }
}