Pith Number

pith:MDFWPDS7

pith:2022:MDFWPDS7QETIVTDWNLNDKY563S

not attested not anchored not stored refs pending

Perspective Fields for Single Image Camera Calibration

David F. Fouhey, Jianming Zhang, Kevin Matzen, Linyi Jin, Matthew Sticha, Oliver Wang, Yannick Hold-Geoffroy

arxiv:2212.03239 v2 · 2022-12-06 · 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{MDFWPDS7QETIVTDWNLNDKY563S}

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.

Cited by

1 paper in Pith

WildDet3D: Scaling Promptable 3D Detection in the Wild

Receipt and verification

First computed	2026-07-05T05:51:43.390502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60cb678e5f81268acc766ada3563bedc9e8110554d879029c1f98bdba73e894b

Aliases

arxiv: 2212.03239 · arxiv_version: 2212.03239v2 · doi: 10.48550/arxiv.2212.03239 · pith_short_12: MDFWPDS7QETI · pith_short_16: MDFWPDS7QETIVTDW · pith_short_8: MDFWPDS7

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/MDFWPDS7QETIVTDWNLNDKY563S \
  | 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: 60cb678e5f81268acc766ada3563bedc9e8110554d879029c1f98bdba73e894b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "945ef4984528185b504970d2d252d24b47458f22b1c821b76136cdc7b2c827eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-12-06T18:59:50Z",
    "title_canon_sha256": "a5d7264b4bb415e3c2e2631c33d9beef5525e7753e646ddef7ec1a3c5138f391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.03239",
    "kind": "arxiv",
    "version": 2
  }
}