Pith Number

pith:7OG2OXXJ

pith:2017:7OG2OXXJDLJWWC5VJI3QGJMSC7

not attested not anchored not stored refs pending

FPGA-based ORB Feature Extraction for Real-Time Visual SLAM

Bo Yu, Shaoshan Liu, Weikang Fang, Yanjun Zhang

arxiv:1710.07312 v1 · 2017-10-18 · cs.RO · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OG2OXXJDLJWWC5VJI3QGJMSC7}

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	2026-05-18T00:32:25.199292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb8da75ee91ad36b0bb54a3703259217d6a48cb6fe41ee178b4961744c3d6d73

Aliases

arxiv: 1710.07312 · arxiv_version: 1710.07312v1 · doi: 10.48550/arxiv.1710.07312 · pith_short_12: 7OG2OXXJDLJW · pith_short_16: 7OG2OXXJDLJWWC5V · pith_short_8: 7OG2OXXJ

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/7OG2OXXJDLJWWC5VJI3QGJMSC7 \
  | 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: fb8da75ee91ad36b0bb54a3703259217d6a48cb6fe41ee178b4961744c3d6d73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b35b4ec35be794520de1115e0b7fe067441e4206bcf64f24ff4e85408386d04",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2017-10-18T09:06:14Z",
    "title_canon_sha256": "2bf84941f7d60d9ffe73dc5044d65ac35df05fc0d3882719b2546189b1922ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07312",
    "kind": "arxiv",
    "version": 1
  }
}