Pith Number

pith:HQ45DQYP

pith:2017:HQ45DQYPGGMMSUDE2OX45N5G23

not attested not anchored not stored refs pending

An EM Based Probabilistic Two-Dimensional CCA with Application to Face Recognition

Abdolreza Mirzaei, Homayun Afrabandpey, Mehran Safayani, Seyed Hashem Ahmadi

arxiv:1702.07884 v1 · 2017-02-25 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQ45DQYPGGMMSUDE2OX45N5G23}

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	2026-05-18T00:38:39.782538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c39d1c30f3198c95064d3afceb7a6d6eacb1ee036443a3da75221c1348a3b81

Aliases

arxiv: 1702.07884 · arxiv_version: 1702.07884v1 · doi: 10.48550/arxiv.1702.07884 · pith_short_12: HQ45DQYPGGMM · pith_short_16: HQ45DQYPGGMMSUDE · pith_short_8: HQ45DQYP

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/HQ45DQYPGGMMSUDE2OX45N5G23 \
  | 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: 3c39d1c30f3198c95064d3afceb7a6d6eacb1ee036443a3da75221c1348a3b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b44f051f160c9cdfeb92aa316accef7b2de19d27fce9493222af74e0eba947cd",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-25T12:50:35Z",
    "title_canon_sha256": "b08f3f6437705caff76448a25f729a5dc4b307d5e42a4415ea512b4562ca0107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07884",
    "kind": "arxiv",
    "version": 1
  }
}