Pith Number

pith:UMNZ7VA5

pith:2025:UMNZ7VA5LMNKMHYGF7OBJCP7HJ

not attested not anchored not stored refs pending

PDC-ViT : Source Camera Identification using Pixel Difference Convolution and Vision Transformer

Ahmed Bouridane, Fouad Khelifi, Noor Almaadeed, Omar Elharrouss, Somaya Al-Maadeed, Younes Akbari

arxiv:2501.16227 v1 · 2025-01-27 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMNZ7VA5LMNKMHYGF7OBJCP7HJ}

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	2026-07-05T10:06:47.876579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31b9fd41d5b1aa61f062fdc1489ff3a46687b8d61ab0131528b72c0fc0ea0d2

Aliases

arxiv: 2501.16227 · arxiv_version: 2501.16227v1 · doi: 10.48550/arxiv.2501.16227 · pith_short_12: UMNZ7VA5LMNK · pith_short_16: UMNZ7VA5LMNKMHYG · pith_short_8: UMNZ7VA5

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/UMNZ7VA5LMNKMHYGF7OBJCP7HJ \
  | 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: a31b9fd41d5b1aa61f062fdc1489ff3a46687b8d61ab0131528b72c0fc0ea0d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d25984bff0711e00d07013cf44b65c6dc5ff5284d5d1ce8a499d8fb95c9515c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-27T17:21:33Z",
    "title_canon_sha256": "0e9b898a31ee732edc749646176ce811aa6226f12d225068941c420b6244007e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16227",
    "kind": "arxiv",
    "version": 1
  }
}