Pith Number

pith:U6I5H2IM

pith:2017:U6I5H2IMZUKOYHM2RCSFQHEBFW

not attested not anchored not stored refs pending

A New Rank Constraint on Multi-view Fundamental Matrices, and its Application to Camera Location Recovery

Amit Singer, David W. Jacobs, Meirav Galun, Ronen Basri, Soumyadip Sengupta, Tal Amir, Tom Goldstein

arxiv:1702.03023 v1 · 2017-02-10 · 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{U6I5H2IMZUKOYHM2RCSFQHEBFW}

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	2026-05-18T00:50:58.859045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a791d3e90ccd14ec1d9a88a4581c812d9f07188c5abd510c5cc0a560f0229df8

Aliases

arxiv: 1702.03023 · arxiv_version: 1702.03023v1 · doi: 10.48550/arxiv.1702.03023 · pith_short_12: U6I5H2IMZUKO · pith_short_16: U6I5H2IMZUKOYHM2 · pith_short_8: U6I5H2IM

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/U6I5H2IMZUKOYHM2RCSFQHEBFW \
  | 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: a791d3e90ccd14ec1d9a88a4581c812d9f07188c5abd510c5cc0a560f0229df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "134a6922b1edd152602d25a33bda12a8996dc15044dbc5e2f8392f8092bc5a4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-10T00:31:17Z",
    "title_canon_sha256": "38880811539136bdc20795b28dfe9badc9e50f669b68f8d36a30ac18756b43b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03023",
    "kind": "arxiv",
    "version": 1
  }
}