Pith Number

pith:NWNBAVAB

pith:2019:NWNBAVAB7ROER25K37VTCCHXG3

not attested not anchored not stored refs pending

Automatic Emotion Recognition (AER) System based on Two-Level Ensemble of Lightweight Deep CNN Models

Emad-ul-Haq Qazi, Hatim Aboalsamh, Ihsan Ullah, Muhammad Hussain

arxiv:1904.13234 v1 · 2019-04-30 · cs.LG · eess.SP · 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{NWNBAVAB7ROER25K37VTCCHXG3}

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	2026-05-17T23:47:21.842948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d9a105401fc5c48ebaadfeb3108f736e39a2c6abdfd7a9b064a95fd72dce05a

Aliases

arxiv: 1904.13234 · arxiv_version: 1904.13234v1 · doi: 10.48550/arxiv.1904.13234 · pith_short_12: NWNBAVAB7ROE · pith_short_16: NWNBAVAB7ROER25K · pith_short_8: NWNBAVAB

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/NWNBAVAB7ROER25K37VTCCHXG3 \
  | 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: 6d9a105401fc5c48ebaadfeb3108f736e39a2c6abdfd7a9b064a95fd72dce05a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25773db3a38ffc89dcf9fe2796b1e77067777b2cc080baa71ce6d54c9103f417",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-30T13:43:14Z",
    "title_canon_sha256": "d149323013dfaff81a8a776b895daf70c4cc9d19833c2698742ed65ed67f98b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13234",
    "kind": "arxiv",
    "version": 1
  }
}