Pith Number

pith:XB3UJ44W

pith:2018:XB3UJ44WZCLDSHSO6ARG5FQB74

not attested not anchored not stored refs pending

Two view constraints on the epipoles from few correspondences

Michael Werman, Yoni Kasten

arxiv:1810.09496 v1 · 2018-10-22 · 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{XB3UJ44WZCLDSHSO6ARG5FQB74}

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	2026-05-18T00:02:39.416497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b87744f396c896391e4ef0226e9601ff2d841146182ed515eaa39ea66649a67f

Aliases

arxiv: 1810.09496 · arxiv_version: 1810.09496v1 · doi: 10.48550/arxiv.1810.09496 · pith_short_12: XB3UJ44WZCLD · pith_short_16: XB3UJ44WZCLDSHSO · pith_short_8: XB3UJ44W

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/XB3UJ44WZCLDSHSO6ARG5FQB74 \
  | 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: b87744f396c896391e4ef0226e9601ff2d841146182ed515eaa39ea66649a67f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff167984cd5da18db7458bd6206ea0fa5af38cc2363f7ffe217a20c87da2890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-22T18:37:36Z",
    "title_canon_sha256": "b83ff7f41b205748b87f45420fbe094044d5a2a8df59b8890369b2cec1a72c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09496",
    "kind": "arxiv",
    "version": 1
  }
}