Pith Number

pith:IEGKTSV2

pith:2011:IEGKTSV2B3MSC4KWBG5FP27L4R

not attested not anchored not stored refs pending

Recovering Epipolar Geometry from Images of Smooth Surfaces

Oleg Kupervasser

arxiv:1106.0823 v4 · 2011-06-04 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEGKTSV2B3MSC4KWBG5FP27L4R}

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	2026-05-18T03:20:20.920027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410ca9caba0ed921715609ba57ebebe455b0a43d457b9845f31ab65587adaf71

Aliases

arxiv: 1106.0823 · arxiv_version: 1106.0823v4 · doi: 10.48550/arxiv.1106.0823 · pith_short_12: IEGKTSV2B3MS · pith_short_16: IEGKTSV2B3MSC4KW · pith_short_8: IEGKTSV2

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/IEGKTSV2B3MSC4KWBG5FP27L4R \
  | 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: 410ca9caba0ed921715609ba57ebebe455b0a43d457b9845f31ab65587adaf71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07e67cdfbbac2afb3ada350223e024d2ff1337c76020f5e0098190c746167f4c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-06-04T13:48:21Z",
    "title_canon_sha256": "eb00e5fab50c8481c22d12dff5965ef72f8ed54eda9610f06503b7b1da9ae78b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0823",
    "kind": "arxiv",
    "version": 4
  }
}