Pith Number

pith:T3236YLR

pith:2025:T3236YLRQCWSYX3JB5CZTI262E

not attested not anchored not stored refs pending

Towards Sustainability Model Cards

Gwendal Jouneaux, Jordi Cabot

arxiv:2507.19559 v1 · 2025-07-25 · cs.CY · 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{T3236YLRQCWSYX3JB5CZTI262E}

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	2026-07-05T11:43:36.556814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef5bf617180ad2c5f690f4599a35ed123f5c851ebaf31f52691b4c7c3ed944e

Aliases

arxiv: 2507.19559 · arxiv_version: 2507.19559v1 · doi: 10.48550/arxiv.2507.19559 · pith_short_12: T3236YLRQCWS · pith_short_16: T3236YLRQCWSYX3J · pith_short_8: T3236YLR

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/T3236YLRQCWSYX3JB5CZTI262E \
  | 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: 9ef5bf617180ad2c5f690f4599a35ed123f5c851ebaf31f52691b4c7c3ed944e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bebbcb2802241ecfcabc021571085467fb0d97b12c01bac58c856e53d5df59d6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-07-25T08:26:53Z",
    "title_canon_sha256": "bccb8b03bbb479975f5346ad0a9e7d90158dff96ef55394766e27d279f2af7ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19559",
    "kind": "arxiv",
    "version": 1
  }
}