Pith Number

pith:3EWPZ42W

pith:2011:3EWPZ42W3Y7YHTHDRB5OLNZXWF

not attested not anchored not stored refs pending

Connectivity-Enforcing Hough Transform for the Robust Extraction of Line Segments

Pedro M. Q. Aguiar, Rui F. C. Guerreiro

arxiv:1109.3637 v1 · 2011-09-16 · 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{3EWPZ42W3Y7YHTHDRB5OLNZXWF}

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	2026-05-18T02:21:36.633105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d92cfcf356de3f83cce3887ae5b737b1555d835bf7cdd1a968d9ff9fdc057386

Aliases

arxiv: 1109.3637 · arxiv_version: 1109.3637v1 · doi: 10.48550/arxiv.1109.3637 · pith_short_12: 3EWPZ42W3Y7Y · pith_short_16: 3EWPZ42W3Y7YHTHD · pith_short_8: 3EWPZ42W

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/3EWPZ42W3Y7YHTHDRB5OLNZXWF \
  | 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: d92cfcf356de3f83cce3887ae5b737b1555d835bf7cdd1a968d9ff9fdc057386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e806fab6c420fe293876d3d842d108276712a9a7702bdcde2c86f1508a81c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-09-16T14:56:25Z",
    "title_canon_sha256": "bff581dde817aa8c806cab2e3ced1687eb58c9021bb60b27e9631b1ffdc14d9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3637",
    "kind": "arxiv",
    "version": 1
  }
}