Pith Number

pith:QJKLB2TW

pith:2018:QJKLB2TWBEWNCA2PX3IWUOOJGF

not attested not anchored not stored refs pending

Sports Camera Calibration via Synthetic Data

James J. Little, Jianhui Chen

arxiv:1810.10658 v1 · 2018-10-25 · 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{QJKLB2TWBEWNCA2PX3IWUOOJGF}

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	2026-05-18T00:02:19.978443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8254b0ea76092cd1034fbed16a39c9315ec1f8cf01e30f73ff045c1a3d3874f2

Aliases

arxiv: 1810.10658 · arxiv_version: 1810.10658v1 · doi: 10.48550/arxiv.1810.10658 · pith_short_12: QJKLB2TWBEWN · pith_short_16: QJKLB2TWBEWNCA2P · pith_short_8: QJKLB2TW

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/QJKLB2TWBEWNCA2PX3IWUOOJGF \
  | 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: 8254b0ea76092cd1034fbed16a39c9315ec1f8cf01e30f73ff045c1a3d3874f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebc4f544fe9ff08c41f92141f04f8ab2011a60c4c7ae87e92c59b080a5ee539",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-25T00:10:57Z",
    "title_canon_sha256": "0615b25ed9cd6f70880ade37f5b66bced126c35b4c088f44ccecaaa9ffe5bb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10658",
    "kind": "arxiv",
    "version": 1
  }
}