Pith Number

pith:Q3HLPQ7M

pith:2018:Q3HLPQ7MVKSGV6OOKTZGYGYW3V

not attested not anchored not stored refs pending

Local Descriptor for Robust Place Recognition using LiDAR Intensity

Abel Gawel, Chanoh Park, Jiadong Guo, Paulo V. K. Borges

arxiv:1811.12646 v1 · 2018-11-30 · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3HLPQ7MVKSGV6OOKTZGYGYW3V}

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	2026-05-17T23:59:28.946287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ceb7c3ecaaa46af9ce54f26c1b16dd4bc79939c39e21eb43a37b6af9ecf3fd

Aliases

arxiv: 1811.12646 · arxiv_version: 1811.12646v1 · doi: 10.48550/arxiv.1811.12646 · pith_short_12: Q3HLPQ7MVKSG · pith_short_16: Q3HLPQ7MVKSGV6OO · pith_short_8: Q3HLPQ7M

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/Q3HLPQ7MVKSGV6OOKTZGYGYW3V \
  | 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: 86ceb7c3ecaaa46af9ce54f26c1b16dd4bc79939c39e21eb43a37b6af9ecf3fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5963f6c307115fc4d37193759f5efa235ce78c55c56f07c223b07dfffa05d6aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-11-30T07:04:23Z",
    "title_canon_sha256": "978e5167f5f1685ddfd2ff1d427f4d072476393f7623209d666f2d3b43656f03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12646",
    "kind": "arxiv",
    "version": 1
  }
}