Pith Number

pith:FSK2NIWK

pith:2025:FSK2NIWKI77ND2JLK6P6LB4OKS

not attested not anchored not stored refs pending

Human-in-the-Loop Annotation for Image-Based Engagement Estimation: Assessing the Impact of Model Reliability on Annotation Accuracy

Andreas Dengel, Ko Watanabe, Sahana Yadnakudige Subramanya, Shoya Ishimaru

arxiv:2502.07404 v2 · 2025-02-11 · cs.HC · cs.AI · 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{FSK2NIWKI77ND2JLK6P6LB4OKS}

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	2026-07-05T11:18:17.798500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c95a6a2ca47fed1e92b579fe5878e54a88f761261437fbf036ab91370cd8a93

Aliases

arxiv: 2502.07404 · arxiv_version: 2502.07404v2 · doi: 10.48550/arxiv.2502.07404 · pith_short_12: FSK2NIWKI77N · pith_short_16: FSK2NIWKI77ND2JL · pith_short_8: FSK2NIWK

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/FSK2NIWKI77ND2JLK6P6LB4OKS \
  | 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: 2c95a6a2ca47fed1e92b579fe5878e54a88f761261437fbf036ab91370cd8a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b1d943195234ecefbdafe32deb2ff041ba0aceebb1325517308a5448e1e518c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-02-11T09:37:10Z",
    "title_canon_sha256": "4d28961fb3feeac9593b5841d4b99b084d0e0e6fb3ad2149141788b6807fe8e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07404",
    "kind": "arxiv",
    "version": 2
  }
}