Pith Number

pith:6ZGYUGHT

pith:2021:6ZGYUGHTXJYQA2APFXXE7BMQWV

not attested not anchored not stored refs pending

VDB-EDT: An Efficient Euclidean Distance Transform Algorithm Based on VDB Data Structure

Chaoqun Wang, Delong Zhu, Max Q.-H. Meng, Rohit Garg, Sebastian Scherer, Wenshan Wang

arxiv:2105.04419 v1 · 2021-05-10 · 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{6ZGYUGHTXJYQA2APFXXE7BMQWV}

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	2026-07-05T02:38:57.047654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f64d8a18f3ba7100680f2dee4f8590b57a9c56e50af2258e21d94ea72d178619

Aliases

arxiv: 2105.04419 · arxiv_version: 2105.04419v1 · doi: 10.48550/arxiv.2105.04419 · pith_short_12: 6ZGYUGHTXJYQ · pith_short_16: 6ZGYUGHTXJYQA2AP · pith_short_8: 6ZGYUGHT

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/6ZGYUGHTXJYQA2APFXXE7BMQWV \
  | 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: f64d8a18f3ba7100680f2dee4f8590b57a9c56e50af2258e21d94ea72d178619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe4715b06f290b746ca6ff72e9739618e27072c0f23535ff7a7813fd7eded70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-05-10T14:29:11Z",
    "title_canon_sha256": "4b6718f6760c4c121b7b2d02f629df0948428d0cae663de102838ca58f1af905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04419",
    "kind": "arxiv",
    "version": 1
  }
}