Pith Number

pith:BCFU52N3

pith:2018:BCFU52N3LQB2C32YMPTWG2P7ES

not attested not anchored not stored refs pending

Learning a Local Feature Descriptor for 3D LiDAR Scans

Ayush Dewan, Tim Caselitz, Wolfram Burgard

arxiv:1809.07494 v1 · 2018-09-20 · cs.CV · 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{BCFU52N3LQB2C32YMPTWG2P7ES}

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	2026-05-18T00:05:16.103632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088b4ee9bb5c03a16f5863e76369ff248fbfcc2f59dc74a368820151eda83ef4

Aliases

arxiv: 1809.07494 · arxiv_version: 1809.07494v1 · doi: 10.48550/arxiv.1809.07494 · pith_short_12: BCFU52N3LQB2 · pith_short_16: BCFU52N3LQB2C32Y · pith_short_8: BCFU52N3

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/BCFU52N3LQB2C32YMPTWG2P7ES \
  | 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: 088b4ee9bb5c03a16f5863e76369ff248fbfcc2f59dc74a368820151eda83ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3bed5ae0c70f815452ae3f28412ec7aaaeee6db54b738a5ac98ccf5c239089",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-20T06:52:16Z",
    "title_canon_sha256": "2cb91bbdf0515cd2f3325807f462d4ecccf7c0898877b9ff88a203285e35f665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07494",
    "kind": "arxiv",
    "version": 1
  }
}