Pith Number

pith:EVWZTFZU

pith:2013:EVWZTFZU6YII3EKJXTEO5ZPBJX

not attested not anchored not stored refs pending

Collaborative Discriminant Locality Preserving Projections With its Application to Face Recognition

Ahmed Elgammal, Dan Yang, Dong Yang, Sheng Huang

arxiv:1312.7469 v2 · 2013-12-28 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVWZTFZU6YII3EKJXTEO5ZPBJX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:59:33.903245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256d999734f6108d9149bcc8eee5e14df3f33d715e90e0557a0077e56ca0ef55

Aliases

arxiv: 1312.7469 · arxiv_version: 1312.7469v2 · doi: 10.48550/arxiv.1312.7469 · pith_short_12: EVWZTFZU6YII · pith_short_16: EVWZTFZU6YII3EKJ · pith_short_8: EVWZTFZU

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/EVWZTFZU6YII3EKJXTEO5ZPBJX \
  | 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: 256d999734f6108d9149bcc8eee5e14df3f33d715e90e0557a0077e56ca0ef55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0093c33ab3edd978868bb39b69da623a4e76d117a0ac454bb62c5292c55fca10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-12-28T20:12:17Z",
    "title_canon_sha256": "c7b5fa596be9be537c5997932de21455dafe6ed6e61ae42ba55800a364c00d2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7469",
    "kind": "arxiv",
    "version": 2
  }
}