Pith Number

pith:QOOMTWGM

pith:2019:QOOMTWGMO5VHSRPSLD2R6B5QUS

not attested not anchored not stored refs pending

Fast Hierarchical Neural Network for Feature Learning on Point Cloud

Antonios Tsourdos, Can Chen, Luca Zanotti Fragonara

arxiv:1906.04117 v1 · 2019-06-10 · 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{QOOMTWGMO5VHSRPSLD2R6B5QUS}

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	2026-05-17T23:43:43.856953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839cc9d8cc776a7945f258f51f07b0a49c34643f93b68f6171b7c214e094608a

Aliases

arxiv: 1906.04117 · arxiv_version: 1906.04117v1 · doi: 10.48550/arxiv.1906.04117 · pith_short_12: QOOMTWGMO5VH · pith_short_16: QOOMTWGMO5VHSRPS · pith_short_8: QOOMTWGM

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/QOOMTWGMO5VHSRPSLD2R6B5QUS \
  | 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: 839cc9d8cc776a7945f258f51f07b0a49c34643f93b68f6171b7c214e094608a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e8c7f073d64383b917db0fc6dce3c018d74a9edfcab80a9519e6a3155825d04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-10T16:49:40Z",
    "title_canon_sha256": "34797479e89fd756a319a11a9a3a97ab0d098ee6e42b9f3a9f081642d8267168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04117",
    "kind": "arxiv",
    "version": 1
  }
}