Pith Number

pith:6DZIBVJU

pith:2021:6DZIBVJUF7FPRK42FZTDNZHNXU

not attested not anchored not stored refs pending

Self-restrained Triplet Loss for Accurate Masked Face Recognition

Arjan Kuijper, Fadi Boutros, Florian Kirchbuchner, Naser Damer

arxiv:2103.01716 v3 · 2021-03-02 · 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{6DZIBVJUF7FPRK42FZTDNZHNXU}

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	2026-07-05T03:39:57.423279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f280d5342fcaf8ab9a2e6636e4edbd0c23b5d8d96ef2e98ebb2532c2a03b02

Aliases

arxiv: 2103.01716 · arxiv_version: 2103.01716v3 · doi: 10.48550/arxiv.2103.01716 · pith_short_12: 6DZIBVJUF7FP · pith_short_16: 6DZIBVJUF7FPRK42 · pith_short_8: 6DZIBVJU

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/6DZIBVJUF7FPRK42FZTDNZHNXU \
  | 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: f0f280d5342fcaf8ab9a2e6636e4edbd0c23b5d8d96ef2e98ebb2532c2a03b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "999835ce02d1670f79451e187fc5a22d99a53f57945b0d120c4df486bc03eb6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-02T13:43:11Z",
    "title_canon_sha256": "679372ef1a7faca9491fe1dd3e48f6f2a035fcce54fda60d233071b7626c4680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01716",
    "kind": "arxiv",
    "version": 3
  }
}