Pith Number

pith:UVHVBAOE

pith:2019:UVHVBAOEISGELVKTR2PZ6L4BV7

not attested not anchored not stored refs pending

PCAN: 3D Attention Map Learning Using Contextual Information for Point Cloud Based Retrieval

Chunxia Xiao, Wenxiao Zhang

arxiv:1904.09793 v1 · 2019-04-22 · 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{UVHVBAOEISGELVKTR2PZ6L4BV7}

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	2026-05-17T23:48:03.304598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54f5081c4448c45d5538e9f9f2f81aff5d61bc0c634a64c9ed50c33553581d9

Aliases

arxiv: 1904.09793 · arxiv_version: 1904.09793v1 · doi: 10.48550/arxiv.1904.09793 · pith_short_12: UVHVBAOEISGE · pith_short_16: UVHVBAOEISGELVKT · pith_short_8: UVHVBAOE

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/UVHVBAOEISGELVKTR2PZ6L4BV7 \
  | 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: a54f5081c4448c45d5538e9f9f2f81aff5d61bc0c634a64c9ed50c33553581d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a158210fe1a45fa6c4b933fd7bee8fd271d6f68903632984a8589fd04a310c08",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-22T10:28:20Z",
    "title_canon_sha256": "71fb731057e707df0a17d9bd531485523d1c0a723117ccc1e9607f2a5197778a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09793",
    "kind": "arxiv",
    "version": 1
  }
}