Pith Number

pith:7HSPOY2A

pith:2018:7HSPOY2AVI5TVRATIJQCARQV4V

not attested not anchored not stored refs pending

Soft Locality Preserving Map (SLPM) for Facial Expression Recognition

Cigdem Turan, Kin-man Lam, Xiangjian He

arxiv:1801.03754 v1 · 2018-01-11 · 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{7HSPOY2AVI5TVRATIJQCARQV4V}

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	2026-05-18T00:26:13.534177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e4f76340aa3b3ac4134260204615e54d8882ffc0957701318a726592e45f0a

Aliases

arxiv: 1801.03754 · arxiv_version: 1801.03754v1 · doi: 10.48550/arxiv.1801.03754 · pith_short_12: 7HSPOY2AVI5T · pith_short_16: 7HSPOY2AVI5TVRAT · pith_short_8: 7HSPOY2A

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/7HSPOY2AVI5TVRATIJQCARQV4V \
  | 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: f9e4f76340aa3b3ac4134260204615e54d8882ffc0957701318a726592e45f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a4bbb34a34240657ebc6766b10752bec6f90210dc82ea0e2e5ef7e728e0f7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-11T13:39:24Z",
    "title_canon_sha256": "36da6b5837f55776b69500ce40b1e46653a19d93450eff52ba3fc770fb883823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03754",
    "kind": "arxiv",
    "version": 1
  }
}