Pith Number

pith:A7S2LZOA

pith:2020:A7S2LZOAMCWF5IESWJ3CBPE75L

not attested not anchored not stored refs pending

LCD -- Line Clustering and Description for Place Recognition

Fadri Furrer, Felix Taubner, Florian Tschopp, Roland Siegwart, Tonci Novkovic

arxiv:2010.10867 v1 · 2020-10-21 · 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{A7S2LZOAMCWF5IESWJ3CBPE75L}

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	2026-07-05T02:08:32.074669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e5a5e5c060ac5ea092b27620bc9fead0b35c093c0513a3aef9c997798cb9f7

Aliases

arxiv: 2010.10867 · arxiv_version: 2010.10867v1 · doi: 10.48550/arxiv.2010.10867 · pith_short_12: A7S2LZOAMCWF · pith_short_16: A7S2LZOAMCWF5IES · pith_short_8: A7S2LZOA

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/A7S2LZOAMCWF5IESWJ3CBPE75L \
  | 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: 07e5a5e5c060ac5ea092b27620bc9fead0b35c093c0513a3aef9c997798cb9f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be1ddafb6f8e9364446091d69d26150842b59b890b6e76662181df63a934234",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-10-21T09:52:47Z",
    "title_canon_sha256": "94bf36e1301e6b750a5bba7b971c4a106fd8bf18e9010b530bf400e725e12c7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.10867",
    "kind": "arxiv",
    "version": 1
  }
}