Pith Number

pith:DVVMXQED

pith:2024:DVVMXQEDYS7LEWDJSWSHQ2ABW2

not attested not anchored not stored refs pending

Authentic Emotion Mapping: Benchmarking Facial Expressions in Real News

Kaihao Zhang, Qixuan Zhang, Sabrina Caldwell, Tom Gedeon, Yang Liu, Zhenyue Qin, Zhifeng Wang

arxiv:2404.13493 v1 · 2024-04-21 · 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{DVVMXQEDYS7LEWDJSWSHQ2ABW2}

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	2026-07-05T08:10:32.930716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d6acbc083c4beb2586995a4786801b6a46f1d62681150dc64bc4bda661c52df

Aliases

arxiv: 2404.13493 · arxiv_version: 2404.13493v1 · doi: 10.48550/arxiv.2404.13493 · pith_short_12: DVVMXQEDYS7L · pith_short_16: DVVMXQEDYS7LEWDJ · pith_short_8: DVVMXQED

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/DVVMXQEDYS7LEWDJSWSHQ2ABW2 \
  | 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: 1d6acbc083c4beb2586995a4786801b6a46f1d62681150dc64bc4bda661c52df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b785ae91ee306c430a6ea4aa8e74b8c2af2790966106a9aa0e8afc298ef7c150",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-04-21T00:14:03Z",
    "title_canon_sha256": "e61f56fa2ef7b7fbfed7322ee2e488a9f5e6a964406b139c24598fc7e4b2ea05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.13493",
    "kind": "arxiv",
    "version": 1
  }
}