Pith Number

pith:FIM333UE

pith:2026:FIM333UEL6YEKD7472AVYCUADZ

not attested not anchored not stored refs pending

WHU-PCPR: A cross-platform heterogeneous point cloud dataset for place recognition in complex urban scenes

Jianping Li, Qiegen Liu, Weitong Wu, Xianghong Zou, Yandi Yang, Yuan Wang, Zhen Dong

arxiv:2601.06442 v2 · 2026-01-10 · 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{FIM333UEL6YEKD7472AVYCUADZ}

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	2026-07-22T01:22:18.618931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a19bdee845fb0450ffcfe815c0a801e449c4912120305910450dcc68a256c6d

Aliases

arxiv: 2601.06442 · arxiv_version: 2601.06442v2 · doi: 10.48550/arxiv.2601.06442 · pith_short_12: FIM333UEL6YE · pith_short_16: FIM333UEL6YEKD74 · pith_short_8: FIM333UE

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/FIM333UEL6YEKD7472AVYCUADZ \
  | 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: 2a19bdee845fb0450ffcfe815c0a801e449c4912120305910450dcc68a256c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7880b720ae7fad4d2a9aeb0a127b3ef738aed7a10d16b7546fa51bdd8b8c1faf",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-10T05:53:03Z",
    "title_canon_sha256": "e75cec5cf9be87b38d2f607fdcbae804aef0bb99ac850df4ab508ee2c557b786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.06442",
    "kind": "arxiv",
    "version": 2
  }
}