Pith Number

pith:7IFBEMH5

pith:2022:7IFBEMH5H2GGHTV4ER5UHWCK7K

not attested not anchored not stored refs pending

Visualizing and Alleviating the Effect of Radial Distortion on Camera Calibration Using Principal Lines

Hsin-Yi Chen, Jen-Hui Chuang

arxiv:2206.14164 v1 · 2022-06-28 · 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{7IFBEMH5H2GGHTV4ER5UHWCK7K}

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	2026-07-05T04:35:53.712004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0a1230fd3e8c63cebc247b43d84afa9a368b5b1e8df87a5fd83d1de08da548

Aliases

arxiv: 2206.14164 · arxiv_version: 2206.14164v1 · doi: 10.48550/arxiv.2206.14164 · pith_short_12: 7IFBEMH5H2GG · pith_short_16: 7IFBEMH5H2GGHTV4 · pith_short_8: 7IFBEMH5

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/7IFBEMH5H2GGHTV4ER5UHWCK7K \
  | 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: fa0a1230fd3e8c63cebc247b43d84afa9a368b5b1e8df87a5fd83d1de08da548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3ff4591ef7ec0a8b18d454e2b77191e8b9231e2097889d2ef6c90444e6672d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-06-28T17:21:26Z",
    "title_canon_sha256": "8bf0fcdce7735489233ae8a5addac46d5edfc07b42087dae0a0651df84835680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.14164",
    "kind": "arxiv",
    "version": 1
  }
}