Pith Number

pith:B5R4KMIH

pith:2019:B5R4KMIHEPKIZH7VWLSITERJ6M

not attested not anchored not stored refs pending

Learning to Fuse Local Geometric Features for 3D Rigid Data Matching

Angfan Zhu, Chen Zhao, Jiaqi Yang, Ke Xian, Zhiguo Cao

arxiv:1904.12099 v1 · 2019-04-27 · 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{B5R4KMIHEPKIZH7VWLSITERJ6M}

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	2026-05-17T23:47:38.949302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f63c5310723d48c9ff5b2e4899229f33e65be581d6b9bd36ec9ef0349c6883c

Aliases

arxiv: 1904.12099 · arxiv_version: 1904.12099v1 · doi: 10.48550/arxiv.1904.12099 · pith_short_12: B5R4KMIHEPKI · pith_short_16: B5R4KMIHEPKIZH7V · pith_short_8: B5R4KMIH

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/B5R4KMIHEPKIZH7VWLSITERJ6M \
  | 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: 0f63c5310723d48c9ff5b2e4899229f33e65be581d6b9bd36ec9ef0349c6883c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f663e219c8bcac1e6bba8d5696b6cb869844080f0cb840ce08ee0e1f0d830ba6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-27T03:23:21Z",
    "title_canon_sha256": "d183bf99fa26e4f71ac5e89dd9bac1842452eeac44bb447d0a50116e953f3093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12099",
    "kind": "arxiv",
    "version": 1
  }
}