Pith Number

pith:LOQV25HJ

pith:2018:LOQV25HJPWXVFWNK4OZQWCGJZK

not attested not anchored not stored refs pending

3DFeat-Net: Weakly Supervised Local 3D Features for Point Cloud Registration

Gim Hee Lee, Zi Jian Yew

arxiv:1807.09413 v1 · 2018-07-25 · 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{LOQV25HJPWXVFWNK4OZQWCGJZK}

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	2026-07-05T00:51:19.475462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ba15d74e97daf52d9aae3b30b08c9ca8ea655286ad7ffff34335028d1bfcf32

Aliases

arxiv: 1807.09413 · arxiv_version: 1807.09413v1 · doi: 10.48550/arxiv.1807.09413 · pith_short_12: LOQV25HJPWXV · pith_short_16: LOQV25HJPWXVFWNK · pith_short_8: LOQV25HJ

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/LOQV25HJPWXVFWNK4OZQWCGJZK \
  | 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: 5ba15d74e97daf52d9aae3b30b08c9ca8ea655286ad7ffff34335028d1bfcf32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7348dad085886bd56105e122f848bbae86e7b7151541cdc66ef09d17b79a85d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-25T01:56:21Z",
    "title_canon_sha256": "9ab996f708da5c8298441d4716379f8d0cd5a0419fb7f7b5e1e4ecc6b53dfa16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09413",
    "kind": "arxiv",
    "version": 1
  }
}