Pith Number

pith:2N5ZZXVH

pith:2025:2N5ZZXVHVBCHYZIPPCMLIY3WCK

not attested not anchored not stored refs pending

PTZ-Calib: Robust Pan-Tilt-Zoom Camera Calibration

Bojian Wu, Jiaqi Gu, Jieping Ye, Jinhui Guo, Lubin Fan, Shen Cao

arxiv:2502.09075 v1 · 2025-02-13 · 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{2N5ZZXVHVBCHYZIPPCMLIY3WCK}

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	2026-07-05T10:13:52.081631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37b9cdea7a8447c650f7898b46376129d80d8dc5a20884b804d25c93b26179d

Aliases

arxiv: 2502.09075 · arxiv_version: 2502.09075v1 · doi: 10.48550/arxiv.2502.09075 · pith_short_12: 2N5ZZXVHVBCH · pith_short_16: 2N5ZZXVHVBCHYZIP · pith_short_8: 2N5ZZXVH

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/2N5ZZXVHVBCHYZIPPCMLIY3WCK \
  | 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: d37b9cdea7a8447c650f7898b46376129d80d8dc5a20884b804d25c93b26179d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40205522248a567a9676e81f4377d36af8703cdb797e8e880596909636ec5d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-13T08:45:43Z",
    "title_canon_sha256": "1050b3740a931c345a172b5a7ef09ba84618bb79c185571041c658b9dc5b8cd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09075",
    "kind": "arxiv",
    "version": 1
  }
}