Pith Number

pith:IXXP5IOO

pith:2017:IXXP5IOOQDS3DG6VAWBF57W4LD

not attested not anchored not stored refs pending

A Branch-and-Bound Algorithm for Checkerboard Extraction in Camera-Laser Calibration

Alireza Khosravian, Ian Reid, Tat-Jun Chin

arxiv:1704.00887 v1 · 2017-04-04 · cs.RO · 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{IXXP5IOOQDS3DG6VAWBF57W4LD}

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	2026-05-18T00:47:18.930713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45eefea1ce80e5b19bd505825efedc58c55b90e13a00c21ef2dd46765e1ac8fe

Aliases

arxiv: 1704.00887 · arxiv_version: 1704.00887v1 · doi: 10.48550/arxiv.1704.00887 · pith_short_12: IXXP5IOOQDS3 · pith_short_16: IXXP5IOOQDS3DG6V · pith_short_8: IXXP5IOO

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/IXXP5IOOQDS3DG6VAWBF57W4LD \
  | 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: 45eefea1ce80e5b19bd505825efedc58c55b90e13a00c21ef2dd46765e1ac8fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a93322c7eadb7fdc4ef6b5280a9cca9a28477bc93514cd3cc36d472508c597",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2017-04-04T06:28:30Z",
    "title_canon_sha256": "312e161ca11974589fd8aa005ac35c34649105dc5357448dcfe9380d07a5fc5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00887",
    "kind": "arxiv",
    "version": 1
  }
}