Pith Number

pith:NAML475E

pith:2015:NAML475E4IQGE4NPLO47XTC7LU

not attested not anchored not stored refs pending

Automatic Facial Expression Recognition Using Features of Salient Facial Patches

Aurobinda Routray, S L Happy

arxiv:1505.04026 v1 · 2015-05-15 · 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{NAML475E4IQGE4NPLO47XTC7LU}

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	2026-05-18T00:10:30.989844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6818be7fa4e2206271af5bb9fbcc5f5d06ebaf13e148dfca16b13cebed8f7355

Aliases

arxiv: 1505.04026 · arxiv_version: 1505.04026v1 · doi: 10.48550/arxiv.1505.04026 · pith_short_12: NAML475E4IQG · pith_short_16: NAML475E4IQGE4NP · pith_short_8: NAML475E

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/NAML475E4IQGE4NPLO47XTC7LU \
  | 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: 6818be7fa4e2206271af5bb9fbcc5f5d06ebaf13e148dfca16b13cebed8f7355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f649744d50b433e54f3892f38719a2f7c8096ca09733ba5942bbe1084cec133",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-15T11:07:39Z",
    "title_canon_sha256": "e416c4a084ca443db7e72cce280e6bf4a34e07bac90fd9cd8d0495ee72b5e680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04026",
    "kind": "arxiv",
    "version": 1
  }
}