Pith Number

pith:F46V47NU

pith:2025:F46V47NUT7ASNQO7WJ7OGJFH65

not attested not anchored not stored refs pending

Facial Analysis Systems and Down Syndrome

Antonio Vetr\`o, Fabiana Vinci, Juan Carlos De Martin, Marco Rondina

arxiv:2502.06341 v1 · 2025-02-10 · cs.CV · cs.AI · cs.HC · 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{F46V47NUT7ASNQO7WJ7OGJFH65}

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	2026-07-05T10:12:05.411846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3d5e7db49fc126c1dfb27ee324a7f77691328018e58086c2f2841e5e49d4f4

Aliases

arxiv: 2502.06341 · arxiv_version: 2502.06341v1 · doi: 10.48550/arxiv.2502.06341 · pith_short_12: F46V47NUT7AS · pith_short_16: F46V47NUT7ASNQO7 · pith_short_8: F46V47NU

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/F46V47NUT7ASNQO7WJ7OGJFH65 \
  | 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: 2f3d5e7db49fc126c1dfb27ee324a7f77691328018e58086c2f2841e5e49d4f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a9528aea33ebc645f868d5f5c51e15875ccaac44c233044902f6a6623b21190",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-10T10:43:55Z",
    "title_canon_sha256": "f0cb06b1a4b8b522e87f0e722a5c665a32cd3558ff7033eca6e629e8fd3f7c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06341",
    "kind": "arxiv",
    "version": 1
  }
}