Pith Number

pith:TUPN5YWZ

pith:2015:TUPN5YWZZSZCPJCLCI6PT3QEPN

not attested not anchored not stored refs pending

Face Search at Scale: 80 Million Gallery

Anil K. Jain, Charles Otto, Dayong Wang

arxiv:1507.07242 v2 · 2015-07-26 · 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{TUPN5YWZZSZCPJCLCI6PT3QEPN}

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	2026-05-18T01:36:08.920253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d1edee2d9ccb227a44b123cf9ee047b6adc1663cbf8992dc70d064c017eeec8

Aliases

arxiv: 1507.07242 · arxiv_version: 1507.07242v2 · doi: 10.48550/arxiv.1507.07242 · pith_short_12: TUPN5YWZZSZC · pith_short_16: TUPN5YWZZSZCPJCL · pith_short_8: TUPN5YWZ

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/TUPN5YWZZSZCPJCLCI6PT3QEPN \
  | 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: 9d1edee2d9ccb227a44b123cf9ee047b6adc1663cbf8992dc70d064c017eeec8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae3dcd22128c41dad76bf96b0f8ffb7b8c6ac257dc97e81f83a95b91b11a42f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-26T20:06:43Z",
    "title_canon_sha256": "8f9d91a9faf267edb457eea4bec70e5dad8893c2d04104975e869ec900c75497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07242",
    "kind": "arxiv",
    "version": 2
  }
}