Pith Number

pith:ZA3K6X4Z

pith:2016:ZA3K6X4ZA4KO2GLQN2Z2CHTS64

not attested not anchored not stored refs pending

Facial Expression Recognition from World Wild Web

Ali Mollahosseini, Behzad Hassani, David Chan, Hojjat Abdollahi, Michelle J. Salvador, Mohammad H. Mahoor

arxiv:1605.03639 v3 · 2016-05-11 · cs.CV · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZA3K6X4ZA4KO2GLQN2Z2CHTS64}

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	2026-05-18T00:24:22.849992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c836af5f990714ed19706eb3a11e72f71582f470336bb690af56824fac3d7db1

Aliases

arxiv: 1605.03639 · arxiv_version: 1605.03639v3 · doi: 10.48550/arxiv.1605.03639 · pith_short_12: ZA3K6X4ZA4KO · pith_short_16: ZA3K6X4ZA4KO2GLQ · pith_short_8: ZA3K6X4Z

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/ZA3K6X4ZA4KO2GLQN2Z2CHTS64 \
  | 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: c836af5f990714ed19706eb3a11e72f71582f470336bb690af56824fac3d7db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e7d68df8ce27263929321fb0c3d35d2f5973a249e621069101c25770d1b2e2",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-05-11T23:45:00Z",
    "title_canon_sha256": "5b7c8bba4c31af3b9482879f13534884726a33dc3f6a3e8c1d91e59b0d71667f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03639",
    "kind": "arxiv",
    "version": 3
  }
}