Pith Number

pith:WCL3O5CN

pith:2018:WCL3O5CNLTUKMEZGSPDNWIPX77

not attested not anchored not stored refs pending

Face-Cap: Image Captioning using Facial Expression Analysis

Len Hamey, Mark Dras, Omid Mohamad Nezami, Peter Anderson

arxiv:1807.02250 v2 · 2018-07-06 · 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{WCL3O5CNLTUKMEZGSPDNWIPX77}

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	2026-05-17T23:55:34.328863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b097b7744d5ce8a6132693c6db21f7fff56ce5eba7f47a2f1e6c4cfd53225178

Aliases

arxiv: 1807.02250 · arxiv_version: 1807.02250v2 · doi: 10.48550/arxiv.1807.02250 · pith_short_12: WCL3O5CNLTUK · pith_short_16: WCL3O5CNLTUKMEZG · pith_short_8: WCL3O5CN

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/WCL3O5CNLTUKMEZGSPDNWIPX77 \
  | 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: b097b7744d5ce8a6132693c6db21f7fff56ce5eba7f47a2f1e6c4cfd53225178

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898cb9e5bdece24136427dc40def4652a94d8ac19462589c679c00fd10c6d8f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-06T04:12:20Z",
    "title_canon_sha256": "d9070e63c2ed5a5d5e3b51660b5062971e8f4939bc111f7f18d179773cbc2529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02250",
    "kind": "arxiv",
    "version": 2
  }
}