Pith Number

pith:JOZGXGU5

pith:2019:JOZGXGU5NOVXK5MJXFWQCXV4NJ

not attested not anchored not stored refs pending

Calibration of fisheye camera using entrance pupil

Emre Aksu, Peter Fasogbon

arxiv:1907.01759 v1 · 2019-07-03 · eess.IV · 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{JOZGXGU5NOVXK5MJXFWQCXV4NJ}

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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.

Cited by

1 paper in Pith

Calibration of fisheye camera using entrance pupil

Receipt and verification

First computed	2026-05-17T23:41:35.208614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb26b9a9d6bab757589b96d015ebc6a65d0a58c390d3af5fe301d4db7e68420

Aliases

arxiv: 1907.01759 · arxiv_version: 1907.01759v1 · doi: 10.48550/arxiv.1907.01759 · pith_short_12: JOZGXGU5NOVX · pith_short_16: JOZGXGU5NOVXK5MJ · pith_short_8: JOZGXGU5

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/JOZGXGU5NOVXK5MJXFWQCXV4NJ \
  | 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: 4bb26b9a9d6bab757589b96d015ebc6a65d0a58c390d3af5fe301d4db7e68420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f08adccfadf129b8ed1fadf28b298b4371f4f6b84910d4f842a44ba129feabf1",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-07-03T06:45:02Z",
    "title_canon_sha256": "78ad7fdac091a1ed7cc56136b371c97c717b20c88c86f05efff12bc89bb8fe2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01759",
    "kind": "arxiv",
    "version": 1
  }
}