Pith Number

pith:MFCMJUZA

pith:2025:MFCMJUZAVVU2NZ52HSQAOQOLC5

not attested not anchored not stored refs pending

Second Competition on Presentation Attack Detection on ID Card

Ajnas Muhammed, Aleksei Grishin, Alvaro S. Rocamora, Amir Mohammadi, Andr\'es Valenzuela, Borut Batagelj, Christoph Busch, Daniel Schulz, Diogo Nunes, Javier Barrachina, Joao Ribeiro Pinto, Juan E. Tapia, Juan M. Espin, Ketan Kotwal, Kiran Raja, Lazar Lazarevich, Leon Todorov, Mariana Xavier, Marija Ivanovska, Mario Nieto, Marko Peterlin, Naser Damer, Nuno Gon\c{c}alves, Patrick Schuch, Pedro Couto Pereira, Peter Peer, Raghavendra Mudgalgundurao, Raghavendra Ramachandra, Renat Khizbullin, Rodrigo Lara, Sebastian Gonzalez, Sebastien Marcel, Sushrut Patwardhan

arxiv:2507.20404 v1 · 2025-07-27 · 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{MFCMJUZAVVU2NZ52HSQAOQOLC5}

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.

Cited by

1 paper in Pith

From Forgeries to Foundation Models: A Systematic Survey of Identity Document Attack and Detection

Receipt and verification

First computed	2026-07-05T11:44:18.880557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6144c4d320ad69a6e7ba3ca00741cb177c7b97ac4f0bcff7f532b95d48f71e5d

Aliases

arxiv: 2507.20404 · arxiv_version: 2507.20404v1 · doi: 10.48550/arxiv.2507.20404 · pith_short_12: MFCMJUZAVVU2 · pith_short_16: MFCMJUZAVVU2NZ52 · pith_short_8: MFCMJUZA

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/MFCMJUZAVVU2NZ52HSQAOQOLC5 \
  | 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: 6144c4d320ad69a6e7ba3ca00741cb177c7b97ac4f0bcff7f532b95d48f71e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c7121509d4f2a785bba56dd4dcf856633ac236fe15aafabf2e5c9085e9d179",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-27T20:18:52Z",
    "title_canon_sha256": "12812e08282956459f6b540e4893e2e92d74c298d8e35e988cabb725c421d682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20404",
    "kind": "arxiv",
    "version": 1
  }
}