Pith Number

pith:4ZF7YQNB

pith:2014:4ZF7YQNB5H4B5FOKTC6SHPXQUK

not attested not anchored not stored refs pending

Web-Scale Training for Face Identification

Lior Wolf, Marc'Aurelio Ranzato, Ming Yang, Yaniv Taigman

arxiv:1406.5266 v2 · 2014-06-20 · 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{4ZF7YQNB5H4B5FOKTC6SHPXQUK}

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	2026-05-18T02:18:31.547275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64bfc41a1e9f81e95ca98bd23bef0a285c1f2b31c80b5745d9692a2f09ec61f

Aliases

arxiv: 1406.5266 · arxiv_version: 1406.5266v2 · doi: 10.48550/arxiv.1406.5266 · pith_short_12: 4ZF7YQNB5H4B · pith_short_16: 4ZF7YQNB5H4B5FOK · pith_short_8: 4ZF7YQNB

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/4ZF7YQNB5H4B5FOKTC6SHPXQUK \
  | 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: e64bfc41a1e9f81e95ca98bd23bef0a285c1f2b31c80b5745d9692a2f09ec61f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91bd361d2f5dae2b21978b1d6d92522e40a3ac2b62beff97175a627203158cdd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-06-20T02:51:31Z",
    "title_canon_sha256": "2be37554bd757359027ce90bc67145e5368de35b4f6a1bc726833bd02df8f471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5266",
    "kind": "arxiv",
    "version": 2
  }
}