Pith Number

pith:CYASKRSL

pith:2025:CYASKRSLAQ5E5TYTLD7P3FBZYM

not attested not anchored not stored refs pending

Entropy Heat-Mapping: Localizing GPT-Based OCR Errors with Sliding-Window Shannon Analysis

Alexei Kaltchenko

arxiv:2505.00746 v2 · 2025-04-30 · 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{CYASKRSLAQ5E5TYTLD7P3FBZYM}

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	2026-07-05T10:58:47.846136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

160125464b043a4ecf1358fefd9439c3051bce85fe9b8b69b6208383dff08b18

Aliases

arxiv: 2505.00746 · arxiv_version: 2505.00746v2 · doi: 10.48550/arxiv.2505.00746 · pith_short_12: CYASKRSLAQ5E · pith_short_16: CYASKRSLAQ5E5TYT · pith_short_8: CYASKRSL

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/CYASKRSLAQ5E5TYTLD7P3FBZYM \
  | 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: 160125464b043a4ecf1358fefd9439c3051bce85fe9b8b69b6208383dff08b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03ea36e6089aab5fa47e6a2e51361320f1a9a0bc0bcdd56f360369d7a3640ada",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-30T09:05:49Z",
    "title_canon_sha256": "413f33aac7d3b4b03cddd3c0b7a40552ed05edd231c3d263ede0ba0b7ae804c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00746",
    "kind": "arxiv",
    "version": 2
  }
}