Pith Number

pith:NGMMZZIB

pith:2021:NGMMZZIBBPN6IOZYV4DP4ZLY63

not attested not anchored not stored refs pending

Efficient Urban-scale Point Clouds Segmentation with BEV Projection

Yizhe Li, Zhenhong Zou

arxiv:2109.09074 v1 · 2021-09-19 · 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{NGMMZZIBBPN6IOZYV4DP4ZLY63}

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	2026-07-05T03:15:41.281486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6998cce5010bdbe43b38af06fe6578f6ef86c034810dcf23a29c4d61d41f4ff1

Aliases

arxiv: 2109.09074 · arxiv_version: 2109.09074v1 · doi: 10.48550/arxiv.2109.09074 · pith_short_12: NGMMZZIBBPN6 · pith_short_16: NGMMZZIBBPN6IOZY · pith_short_8: NGMMZZIB

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/NGMMZZIBBPN6IOZYV4DP4ZLY63 \
  | 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: 6998cce5010bdbe43b38af06fe6578f6ef86c034810dcf23a29c4d61d41f4ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80143672ca761fad439e52cb327daaee83fa8ad9d9833fdb9216b0a3c9460a91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-19T06:49:59Z",
    "title_canon_sha256": "ca2fdd63b49ec4397d824210a11346bc80112ce0fc8fd867ec5bb2899f31dd13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09074",
    "kind": "arxiv",
    "version": 1
  }
}