Pith Number

pith:IFPPDIRC

pith:2026:IFPPDIRCVH2NXY3SX3L2M3CTJW

not attested not anchored not stored refs pending

Normalisation-Based Likelihood Ratio Estimation for Forensic Authorship Verification

Andrea Nini, Edoardo Manino, Sadie Barlow

arxiv:2607.09501 v1 · 2026-07-10 · cs.CL · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFPPDIRCVH2NXY3SX3L2M3CTJW}

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	2026-07-13T01:20:14.303231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

415ef1a222a9f4dbe372bed7a66c534db68bfecbae1028fe6f024f8e5d19be77

Aliases

arxiv: 2607.09501 · arxiv_version: 2607.09501v1 · doi: 10.48550/arxiv.2607.09501 · pith_short_12: IFPPDIRCVH2N · pith_short_16: IFPPDIRCVH2NXY3S · pith_short_8: IFPPDIRC

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/IFPPDIRCVH2NXY3SX3L2M3CTJW \
  | 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: 415ef1a222a9f4dbe372bed7a66c534db68bfecbae1028fe6f024f8e5d19be77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20358023b5c3654775aa883cd51477e2117ed759518e6f501bae07d750854f20",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-10T15:16:18Z",
    "title_canon_sha256": "3ba4b8a23b0e6962c84120f8d85567a84ae1b47dc61432e8b16523a8d87fd0ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09501",
    "kind": "arxiv",
    "version": 1
  }
}