Pith Number

pith:JW6P2B6P

pith:2025:JW6P2B6PT6SMP5JYQ7PTJMEOTV

not attested not anchored not stored refs pending

The \textit{Questio de aqua et terra}: A Computational Authorship Verification Study

Alejandro Moreo, Fabrizio Sebastiani, Martina Leocata

arxiv:2501.05480 v1 · 2025-01-07 · cs.CL · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JW6P2B6PT6SMP5JYQ7PTJMEOTV}

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	2026-07-05T09:59:24.076649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dbcfd07cf9fa4c7f53887df34b08e9d54b6a7cce97b211741991db6feac61f8

Aliases

arxiv: 2501.05480 · arxiv_version: 2501.05480v1 · doi: 10.48550/arxiv.2501.05480 · pith_short_12: JW6P2B6PT6SM · pith_short_16: JW6P2B6PT6SMP5JY · pith_short_8: JW6P2B6P

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/JW6P2B6PT6SMP5JYQ7PTJMEOTV \
  | 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: 4dbcfd07cf9fa4c7f53887df34b08e9d54b6a7cce97b211741991db6feac61f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1a9ef46b231011f5d901d524ec7931ed631011f1a562fc0f7e378f4f761c235",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-07T18:42:05Z",
    "title_canon_sha256": "0bd8e6f1b86238f0dcb64d17e21c47d555492af8f168b68ee8a253ae590678da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05480",
    "kind": "arxiv",
    "version": 1
  }
}