Pith Number

pith:DHYMTYJ5

pith:2019:DHYMTYJ5BKKDPNRQLYQV2RHTGL

not attested not anchored not stored refs pending

Directionally Constrained Fully Convolutional Neural Network For Airborne Lidar Point Cloud Classification

Congcong Wen, Lina Yang, Ling Peng, Tianhe Chi, Xiang Li

arxiv:1908.06673 v1 · 2019-08-19 · 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{DHYMTYJ5BKKDPNRQLYQV2RHTGL}

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	2026-07-05T00:55:58.528634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f0c9e13d0a9437b6305e215d44f332e646520410a26b06cd5674244dbc54bb

Aliases

arxiv: 1908.06673 · arxiv_version: 1908.06673v1 · doi: 10.48550/arxiv.1908.06673 · pith_short_12: DHYMTYJ5BKKD · pith_short_16: DHYMTYJ5BKKDPNRQ · pith_short_8: DHYMTYJ5

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/DHYMTYJ5BKKDPNRQLYQV2RHTGL \
  | 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: 19f0c9e13d0a9437b6305e215d44f332e646520410a26b06cd5674244dbc54bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ccd6a7b34a286467691fa884c2b02338f50fafe876292c54e98599db302368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-19T09:57:24Z",
    "title_canon_sha256": "2b1f46c3637f7306e6ef0478b35788cc664c41fae95120976ff418f386e08266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06673",
    "kind": "arxiv",
    "version": 1
  }
}