Pith Number

pith:3RGAJIHF

pith:2019:3RGAJIHFEK4QFFCUSZ4UDAVRX7

not attested not anchored not stored refs pending

Deep learning and face recognition: the state of the art

Stephen Balaban

arxiv:1902.03524 v1 · 2019-02-10 · 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{3RGAJIHFEK4QFFCUSZ4UDAVRX7}

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	2026-05-17T23:54:20.577953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc4c04a0e522b902945496794182b1bfcfb11bc04e35ffdb30c070eda08870ab

Aliases

arxiv: 1902.03524 · arxiv_version: 1902.03524v1 · doi: 10.48550/arxiv.1902.03524 · pith_short_12: 3RGAJIHFEK4Q · pith_short_16: 3RGAJIHFEK4QFFCU · pith_short_8: 3RGAJIHF

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/3RGAJIHFEK4QFFCUSZ4UDAVRX7 \
  | 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: dc4c04a0e522b902945496794182b1bfcfb11bc04e35ffdb30c070eda08870ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eec4bbef78d3e09e1da0796d25b8d62cc6773b0aff00ec788ab086881721b03b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-10T01:07:15Z",
    "title_canon_sha256": "a809f1b439b5d67d2ebbd1cdd3d1a88b6d0c61662c34a72630e3e6eb518722d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03524",
    "kind": "arxiv",
    "version": 1
  }
}