Pith Number

pith:CKMQL37E

pith:2020:CKMQL37EZEPI2TTZUL36NO2JJ4

not attested not anchored not stored refs pending

A Fast Point Cloud Ground Segmentation Approach Based on Coarse-To-Fine Markov Random Field

Biao Yu, Huawei Liang, Linglong Lin, Runxin Niu, Shaobo Wang, Weixin Huang, Zhiling Wang

arxiv:2011.13140 v2 · 2020-11-26 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKMQL37EZEPI2TTZUL36NO2JJ4}

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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	2026-07-05T02:10:41.195925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

129905efe4c91e8d4e79a2f7e6bb494f202e2bff34b9e14904118d13b712df28

Aliases

arxiv: 2011.13140 · arxiv_version: 2011.13140v2 · doi: 10.48550/arxiv.2011.13140 · pith_short_12: CKMQL37EZEPI · pith_short_16: CKMQL37EZEPI2TTZ · pith_short_8: CKMQL37E

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/CKMQL37EZEPI2TTZUL36NO2JJ4 \
  | 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: 129905efe4c91e8d4e79a2f7e6bb494f202e2bff34b9e14904118d13b712df28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0334dfa47464560540109756d87810be87606ae67d90f73a49cb8dc7faf9300",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-26T06:07:24Z",
    "title_canon_sha256": "7a0bb5db0f8f24533c5de4c5ae2dfc2965e3677835db75624c8a4cd7dc4c562f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13140",
    "kind": "arxiv",
    "version": 2
  }
}