Pith Number

pith:RO2BIDFF

pith:2016:RO2BIDFFUOW3TCUXJCUPXRIJ4N

not attested not anchored not stored refs pending

Unconstrained Two-parallel-plane Model for Focused Plenoptic Cameras Calibration

Chunping Zhang, Qing Wang, Zhe Ji

arxiv:1608.04509 v1 · 2016-08-16 · 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{RO2BIDFFUOW3TCUXJCUPXRIJ4N}

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	2026-05-18T01:08:37.044481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb4140ca5a3adb98a9748a8fbc509e357c92359f8c8a1faa35c04726513a5c7

Aliases

arxiv: 1608.04509 · arxiv_version: 1608.04509v1 · doi: 10.48550/arxiv.1608.04509 · pith_short_12: RO2BIDFFUOW3 · pith_short_16: RO2BIDFFUOW3TCUX · pith_short_8: RO2BIDFF

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/RO2BIDFFUOW3TCUXJCUPXRIJ4N \
  | 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: 8bb4140ca5a3adb98a9748a8fbc509e357c92359f8c8a1faa35c04726513a5c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c031838468c4516d0fa7d338bd30a00b0ddc4e71c7f0e61d084993a80b74ea0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-16T08:02:55Z",
    "title_canon_sha256": "32cd861bce76bee366561bee75a231f6756a35cd4106deea405ac6f476756203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04509",
    "kind": "arxiv",
    "version": 1
  }
}