Pith Number

pith:6RFVRFXN

pith:2023:6RFVRFXNLZKFNCAZKWP2OY6LLP

not attested not anchored not stored refs pending

A Coarse-to-Fine Place Recognition Approach using Attention-guided Descriptors and Overlap Estimation

Chencan Fu, Jianbiao Mei, Lin Li, Linpeng Peng, Xiangrui Zhao, Yong Liu, Yukai Ma

arxiv:2303.06881 v3 · 2023-03-13 · 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{6RFVRFXNLZKFNCAZKWP2OY6LLP}

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	2026-07-05T08:47:05.300445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f44b5896ed5e54568819559fa763cb5bf1c6fe19269f8e98be80505ff86ec430

Aliases

arxiv: 2303.06881 · arxiv_version: 2303.06881v3 · doi: 10.48550/arxiv.2303.06881 · pith_short_12: 6RFVRFXNLZKF · pith_short_16: 6RFVRFXNLZKFNCAZ · pith_short_8: 6RFVRFXN

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/6RFVRFXNLZKFNCAZKWP2OY6LLP \
  | 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: f44b5896ed5e54568819559fa763cb5bf1c6fe19269f8e98be80505ff86ec430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8418b1241f68e629689c65a1556049ef140a7134e6f00e7ac01d9f60586b439d",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-13T05:56:36Z",
    "title_canon_sha256": "b6423fd9e47c93bd3ad445c5157d09eaeb91f64d2834e67459eb89f8e34dad66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.06881",
    "kind": "arxiv",
    "version": 3
  }
}