Pith Number

pith:SFGSCM4X

pith:2015:SFGSCM4X3GN3GVXHXQDPRQOV67

not attested not anchored not stored refs pending

When Face Recognition Meets with Deep Learning: an Evaluation of Convolutional Neural Networks for Face Recognition

Dong Yi, Guosheng Hu, Josef Kittler, Stan Z. Li, Timothy Hospedales, William Christmas, Yongxin Yang

arxiv:1504.02351 v1 · 2015-04-09 · cs.CV · cs.LG · cs.NE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T02:19:15.335557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914d213397d99bb356e7bc06f8c1d5f7c4031d036ed9bc282086d21d51be267f

Aliases

arxiv: 1504.02351 · arxiv_version: 1504.02351v1 · doi: 10.48550/arxiv.1504.02351 · pith_short_12: SFGSCM4X3GN3 · pith_short_16: SFGSCM4X3GN3GVXH · pith_short_8: SFGSCM4X

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/SFGSCM4X3GN3GVXHXQDPRQOV67 \
  | 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: 914d213397d99bb356e7bc06f8c1d5f7c4031d036ed9bc282086d21d51be267f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f29cbbcf9a98c849393a62c325e28a1ab07f1ba38325ad8f16955065df583bd",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-09T15:27:49Z",
    "title_canon_sha256": "48678a53f56f2ab7d2fbbff3e4a1b2fad42e3b72a0928faa6be4cfa26cdd543b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02351",
    "kind": "arxiv",
    "version": 1
  }
}