Pith Number

pith:NFW3VNZX

pith:2022:NFW3VNZXEFDYU2PEXKGRKK7MUR

not attested not anchored not stored refs pending

MetaV: A Meta-Verifier Approach to Task-Agnostic Model Fingerprinting

Min Yang, Mi Zhang, Xudong Pan, Yifan Yan

arxiv:2201.07391 v3 · 2022-01-19 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFW3VNZXEFDYU2PEXKGRKK7MUR}

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	2026-07-05T04:24:37.589079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

696dbab73721478a69e4ba8d152beca463a59d86d8fa828c2d7af9e182360839

Aliases

arxiv: 2201.07391 · arxiv_version: 2201.07391v3 · doi: 10.48550/arxiv.2201.07391 · pith_short_12: NFW3VNZXEFDY · pith_short_16: NFW3VNZXEFDYU2PE · pith_short_8: NFW3VNZX

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/NFW3VNZXEFDYU2PEXKGRKK7MUR \
  | 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: 696dbab73721478a69e4ba8d152beca463a59d86d8fa828c2d7af9e182360839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15935d4be94ba8ea096f327faa41c01901654c24d3bbf32dea072f4de99fed0b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-01-19T02:56:01Z",
    "title_canon_sha256": "b0767f750cf70d76d63acdc1e9319c217d5f8eadeb949b723ecc10cfc9ba2387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07391",
    "kind": "arxiv",
    "version": 3
  }
}