Pith Number

pith:T7424UE6

pith:2021:T7424UE62YEYBVZJNODN3AYRME

not attested not anchored not stored refs pending

MFR 2021: Masked Face Recognition Competition

Ana F. Sequeira, Arjan Kuijper, Asaki Kataoka, Basilio Sierra, Chao Zhang, Dan Han, David Montero, Ekenel, Fadi Boutros, Fei Wang, Florian Kirchbuchner, Hazim Kemal, Jaime S. Cardoso, Jan Niklas Kolf, Jie Zhang, Joao Ribeiro Pinto, Kiran Raja, Klemen Grm, Kohei Ichikawa, Marcos Nieto, Mingjie He, Mohsen Saffari, Mustafa Ekrem Erakin, Naiara Aginako, Naser Damer, Nuran Kasthuriarachchi, Pedro C. Neto, Pengcheng Fang, Raghavendra Ramachandra, Sachith Seneviratne, Sanka Rasnayaka, Shiguang Shan, Shizuma Kubo, Ugur Demir, Vitomir \v{S}truc

arxiv:2106.15288 v1 · 2021-06-29 · 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{T7424UE62YEYBVZJNODN3AYRME}

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	2026-07-05T02:53:15.870330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff9ae509ed60980d7296b86dd8311610c9bb1c2f2cd5af3f41dd0eb1b5c8d4b

Aliases

arxiv: 2106.15288 · arxiv_version: 2106.15288v1 · doi: 10.48550/arxiv.2106.15288 · pith_short_12: T7424UE62YEY · pith_short_16: T7424UE62YEYBVZJ · pith_short_8: T7424UE6

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/T7424UE62YEYBVZJNODN3AYRME \
  | 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: 9ff9ae509ed60980d7296b86dd8311610c9bb1c2f2cd5af3f41dd0eb1b5c8d4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50710925ef2d0edcf6981cad0803b6722491904451c591b5687bcd1c96c2a59f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-29T11:59:56Z",
    "title_canon_sha256": "4df07ef6e6920b588e4ad185b1cb997af57b78eb91cd1a11f844bce4f29f4b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15288",
    "kind": "arxiv",
    "version": 1
  }
}