Pith Number

pith:QD4WQTTC

pith:2017:QD4WQTTCK4LJL27VGUFAHGFGLR

not attested not anchored not stored refs pending

Investigating Natural Image Pleasantness Recognition using Deep Features and Eye Tracking for Loosely Controlled Human-computer Interaction

Esa Rahtu, Hamed R. Tavakoli, Jorma Laaksonen

arxiv:1704.02218 v1 · 2017-04-07 · 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{QD4WQTTCK4LJL27VGUFAHGFGLR}

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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	2026-05-18T00:46:50.382549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f9684e62571695ebf5350a0398a65c661a21e17636f39d4add8d7c7e4d70e4

Aliases

arxiv: 1704.02218 · arxiv_version: 1704.02218v1 · doi: 10.48550/arxiv.1704.02218 · pith_short_12: QD4WQTTCK4LJ · pith_short_16: QD4WQTTCK4LJL27V · pith_short_8: QD4WQTTC

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/QD4WQTTCK4LJL27VGUFAHGFGLR \
  | 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: 80f9684e62571695ebf5350a0398a65c661a21e17636f39d4add8d7c7e4d70e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d184cb7007763a67bba9d758f372f4b6bc22349937bd4baa142cce92312beb14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-07T13:16:17Z",
    "title_canon_sha256": "19d3b87b34c4ddaf1e0c12ae3030f59c8fd0f3f06c86454390720d1984492474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02218",
    "kind": "arxiv",
    "version": 1
  }
}