Pith Number

pith:NJPZGK5G

pith:2019:NJPZGK5G5L4SIBKHSR6HNUJPSY

not attested not anchored not stored refs pending

Fast 3D Line Segment Detection From Unorganized Point Cloud

Kai Li, Xiaohu Lu, Yahui Liu

arxiv:1901.02532 v1 · 2019-01-08 · 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{NJPZGK5G5L4SIBKHSR6HNUJPSY}

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	2026-05-17T23:56:40.276159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5f932ba6eaf9240547947c76d12f961e6e268aeeea12fa9a7f4554740711c2

Aliases

arxiv: 1901.02532 · arxiv_version: 1901.02532v1 · doi: 10.48550/arxiv.1901.02532 · pith_short_12: NJPZGK5G5L4S · pith_short_16: NJPZGK5G5L4SIBKH · pith_short_8: NJPZGK5G

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/NJPZGK5G5L4SIBKHSR6HNUJPSY \
  | 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: 6a5f932ba6eaf9240547947c76d12f961e6e268aeeea12fa9a7f4554740711c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25f6813a67264b003c8d1455534ecce13caf9b09a58ef4926c188bdde0270193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-08T21:51:51Z",
    "title_canon_sha256": "af1ba069518cea133c1f58aa462b79d9e62bf338214e0d848609471f8f677dbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02532",
    "kind": "arxiv",
    "version": 1
  }
}