Pith Number

pith:KLDYDC3Z

pith:2018:KLDYDC3ZUIGDDN6JCOEZEEZSKL

not attested not anchored not stored refs pending

PPFNet: Global Context Aware Local Features for Robust 3D Point Matching

Haowen Deng, Slobodan Ilic, Tolga Birdal

arxiv:1802.02669 v2 · 2018-02-07 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLDYDC3ZUIGDDN6JCOEZEEZSKL}

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.

Cited by

1 paper in Pith

A 3D Multimodal Feature for Infrastructure Anomaly Detection

Receipt and verification

First computed	2026-05-18T00:22:08.585887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52c7818b79a20c31b7c9138992133252ed5e7be6d690e3e24cb1bc0d0bc42a1b

Aliases

arxiv: 1802.02669 · arxiv_version: 1802.02669v2 · doi: 10.48550/arxiv.1802.02669 · pith_short_12: KLDYDC3ZUIGD · pith_short_16: KLDYDC3ZUIGDDN6J · pith_short_8: KLDYDC3Z

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/KLDYDC3ZUIGDDN6JCOEZEEZSKL \
  | 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: 52c7818b79a20c31b7c9138992133252ed5e7be6d690e3e24cb1bc0d0bc42a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa90e6fa400c4d0532c0a724bcbe75969b4102024e2e9c2d9617f79387651227",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-07T23:01:52Z",
    "title_canon_sha256": "08baa4e70b1609ca9b2cab8e60e78a7c26534321dc6fdc9beebacd78fe895210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02669",
    "kind": "arxiv",
    "version": 2
  }
}