Pith Number

pith:IOP7JJYJ

pith:2020:IOP7JJYJWHJHR6CF4IDZFCPTBI

not attested not anchored not stored refs pending

A Nearest Neighbor Network to Extract Digital Terrain Models from 3D Point Clouds

Carl Salvaggio, David J. Kelbe, Mohammed Yousefhussien

arxiv:2005.10745 v2 · 2020-05-21 · cs.CV · cs.LG · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOP7JJYJWHJHR6CF4IDZFCPTBI}

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	2026-07-05T01:11:47.442952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

439ff4a709b1d278f845e2079289f30a03b5e3bdb9f820ea6b5f34a7c43b1542

Aliases

arxiv: 2005.10745 · arxiv_version: 2005.10745v2 · doi: 10.48550/arxiv.2005.10745 · pith_short_12: IOP7JJYJWHJH · pith_short_16: IOP7JJYJWHJHR6CF · pith_short_8: IOP7JJYJ

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/IOP7JJYJWHJHR6CF4IDZFCPTBI \
  | 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: 439ff4a709b1d278f845e2079289f30a03b5e3bdb9f820ea6b5f34a7c43b1542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4630ad277a4e64f14938e458ef518a2a3d07ba837acca997fe5919b2dd4ec153",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-21T15:54:55Z",
    "title_canon_sha256": "1e840bfade03c46a9d7052024546294c5ad92f29369acd1450fc1e03dc46385c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10745",
    "kind": "arxiv",
    "version": 2
  }
}