Pith Number

pith:LPIKD3ZS

pith:2021:LPIKD3ZSKVOOKW6J3VG7TOFDCA

not attested not anchored not stored refs pending

Calibrated and Partially Calibrated Semi-Generalized Homographies

Daniel Barath, Janne Heikkila, Patrik Beliansky, Snehal Bhayani, Torsten Sattler, Zuzana Kukelova

arxiv:2103.06535 v3 · 2021-03-11 · 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{LPIKD3ZSKVOOKW6J3VG7TOFDCA}

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	2026-07-05T03:21:08.930477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd0a1ef32555ce55bc9dd4df9b8a3103264bb1c8c48848d91a3b4980edc92ee

Aliases

arxiv: 2103.06535 · arxiv_version: 2103.06535v3 · doi: 10.48550/arxiv.2103.06535 · pith_short_12: LPIKD3ZSKVOO · pith_short_16: LPIKD3ZSKVOOKW6J · pith_short_8: LPIKD3ZS

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/LPIKD3ZSKVOOKW6J3VG7TOFDCA \
  | 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: 5bd0a1ef32555ce55bc9dd4df9b8a3103264bb1c8c48848d91a3b4980edc92ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6172e857040e3dc1b7d5695f11e44986f55b1e185ce125d2e56c07143dc15b43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-11T08:56:24Z",
    "title_canon_sha256": "e94a2637d91649244780f20f06489e59e6ab78ee2dc7d4e2ecba51275967ed58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06535",
    "kind": "arxiv",
    "version": 3
  }
}