Pith Number

pith:37VSI6GH

pith:2021:37VSI6GH4CEK73C5S3YO6E3K32

not attested not anchored not stored refs pending

MagFace: A Universal Representation for Face Recognition and Quality Assessment

Feng Zhou, Qiang Meng, Shichao Zhao, Zhida Huang

arxiv:2103.06627 v4 · 2021-03-11 · 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{37VSI6GH4CEK73C5S3YO6E3K32}

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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

2 papers in Pith

Optimizing Image Preparation and Compression for Face Recognition within 1024 Bytes

Toward Calibrated, Fair, and accurate Deepfake Detection

Receipt and verification

First computed	2026-07-05T03:00:32.257611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfeb2478c7e088afec5d96f0ef136ade86df8ea82469a16ff4b167ff8fb921d9

Aliases

arxiv: 2103.06627 · arxiv_version: 2103.06627v4 · doi: 10.48550/arxiv.2103.06627 · pith_short_12: 37VSI6GH4CEK · pith_short_16: 37VSI6GH4CEK73C5 · pith_short_8: 37VSI6GH

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/37VSI6GH4CEK73C5S3YO6E3K32 \
  | 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: dfeb2478c7e088afec5d96f0ef136ade86df8ea82469a16ff4b167ff8fb921d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23024535e0bfa7739e3f9a9af2dfdfef71640b9b0c75e3ce9564e199d45e9630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-11T11:58:21Z",
    "title_canon_sha256": "7f4bf4edfa8748d64c766a84b5e1b02e708dc2f164d4db7a3e52b2d0b629732f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06627",
    "kind": "arxiv",
    "version": 4
  }
}