Pith Number

pith:Z5AU2XWC

pith:2019:Z5AU2XWCYFAFKACQWYFPRKXSWF

not attested not anchored not stored refs pending

Additional Baseline Metrics for the paper "Extended YouTube Faces: a Dataset for Heterogeneous Open-Set Face Identification"

Alberto Del Bimbo, Claudio Ferrari, Stefano Berretti

arxiv:1902.03804 v1 · 2019-02-11 · 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{Z5AU2XWCYFAFKACQWYFPRKXSWF}

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	2026-05-17T23:54:19.539153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf414d5ec2c140550050b60af8aaf2b17b6f2692683098167a9166829b5b193a

Aliases

arxiv: 1902.03804 · arxiv_version: 1902.03804v1 · doi: 10.48550/arxiv.1902.03804 · pith_short_12: Z5AU2XWCYFAF · pith_short_16: Z5AU2XWCYFAFKACQ · pith_short_8: Z5AU2XWC

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/Z5AU2XWCYFAFKACQWYFPRKXSWF \
  | 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: cf414d5ec2c140550050b60af8aaf2b17b6f2692683098167a9166829b5b193a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18597d9c545776bbdb5e616a940e04f32bcf4cbbf0369b07aa18c3007afad2f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-11T10:26:21Z",
    "title_canon_sha256": "3a92d33c774b9a44ed3cf9043f2724ad8ebd34edae5d7acc7ce49d59bfe3deee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03804",
    "kind": "arxiv",
    "version": 1
  }
}