Pith Number

pith:CKVVQ6KC

pith:2016:CKVVQ6KCQFTZVUIRA62JLIHSIP

not attested not anchored not stored refs pending

Do We Really Need to Collect Millions of Faces for Effective Face Recognition?

Anh Tuan Tran, Gerard Medioni, Iacopo Masi, Jatuporn Toy Leksut, Tal Hassner

arxiv:1603.07057 v2 · 2016-03-23 · 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{CKVVQ6KCQFTZVUIRA62JLIHSIP}

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	2026-05-18T01:17:22.971050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ab58794281679ad11107b495a0f243f6b722fd3eaa8008f8087e17c9d40524

Aliases

arxiv: 1603.07057 · arxiv_version: 1603.07057v2 · doi: 10.48550/arxiv.1603.07057 · pith_short_12: CKVVQ6KCQFTZ · pith_short_16: CKVVQ6KCQFTZVUIR · pith_short_8: CKVVQ6KC

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/CKVVQ6KCQFTZVUIRA62JLIHSIP \
  | 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: 12ab58794281679ad11107b495a0f243f6b722fd3eaa8008f8087e17c9d40524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef861bbacfb0185e2031fafb65883eac533c29d6544fbdb3b3b427e5640834a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-03-23T02:57:15Z",
    "title_canon_sha256": "1725e53bb0109dea4e7e6c8fd90bf7f1c23b7a357dd4e84fb1d9f70d2901925e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07057",
    "kind": "arxiv",
    "version": 2
  }
}