Pith Number

pith:WEGIL6WG

pith:2019:WEGIL6WGALF4H7JCJYOHAEKXMZ

not attested not anchored not stored refs pending

End-to-End Learnable Geometric Vision by Backpropagating PnP Optimization

Alvaro Parra, Bo Chen, Jiewei Cao, Nan Li, Tat-Jun Chin

arxiv:1909.06043 v3 · 2019-09-13 · 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{WEGIL6WGALF4H7JCJYOHAEKXMZ}

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	2026-07-05T00:47:59.077304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b10c85fac602cbc3fd224e1c7011576657724bad500dcdeb07b54eed31bbf10a

Aliases

arxiv: 1909.06043 · arxiv_version: 1909.06043v3 · doi: 10.48550/arxiv.1909.06043 · pith_short_12: WEGIL6WGALF4 · pith_short_16: WEGIL6WGALF4H7JC · pith_short_8: WEGIL6WG

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/WEGIL6WGALF4H7JCJYOHAEKXMZ \
  | 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: b10c85fac602cbc3fd224e1c7011576657724bad500dcdeb07b54eed31bbf10a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9efd9fe32a61133ea7d27f261895bb465b558aa2bfdcfa9bd9b5f3041e8ed754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-13T05:45:25Z",
    "title_canon_sha256": "84d80ef635934eaf69cb51d28b08b00d47bd38b5278180ab1110446fbc267534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06043",
    "kind": "arxiv",
    "version": 3
  }
}