Pith Number

pith:EKY6S3N4

pith:2017:EKY6S3N4UGBNSS3QQUCMUQJIPZ

not attested not anchored not stored refs pending

Solutions of Quadratic First-Order ODEs applied to Computer Vision Problems

Adrien Bartoli, Daniel Pizarro, David Casillas-Perez, Manuel Mazo

arxiv:1710.04265 v3 · 2017-10-11 · cs.NA · 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{EKY6S3N4UGBNSS3QQUCMUQJIPZ}

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	2026-05-18T00:12:14.148111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b1e96dbca182d94b708504ca41287e44906289a77948480aa5f7901694b105

Aliases

arxiv: 1710.04265 · arxiv_version: 1710.04265v3 · doi: 10.48550/arxiv.1710.04265 · pith_short_12: EKY6S3N4UGBN · pith_short_16: EKY6S3N4UGBNSS3Q · pith_short_8: EKY6S3N4

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/EKY6S3N4UGBNSS3QQUCMUQJIPZ \
  | 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: 22b1e96dbca182d94b708504ca41287e44906289a77948480aa5f7901694b105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b7d2cb00fe6b08e17d3dc2703829ae45181dcaad21041a97bc962b69be73ec",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-10-11T19:29:42Z",
    "title_canon_sha256": "afccd314e3a35d941ac619e44ff3995626a9ee0e19488bda5f671e4b98df12c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04265",
    "kind": "arxiv",
    "version": 3
  }
}