Pith Number

pith:LGIRMMWZ

pith:2019:LGIRMMWZZ362P3VNQE7DDPMTPR

not attested not anchored not stored refs pending

FPGA-based Binocular Image Feature Extraction and Matching System

Fei Wang, Peng Gao, Qi Ni, Ziwei Zhao

arxiv:1905.04890 v2 · 2019-05-13 · cs.CV · cs.AR · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LGIRMMWZZ362P3VNQE7DDPMTPR}

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	2026-05-17T23:46:17.278547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59911632d9cefda7eead813e31bd937c56f49c8b4560c5253ba2dab57bbd07ab

Aliases

arxiv: 1905.04890 · arxiv_version: 1905.04890v2 · doi: 10.48550/arxiv.1905.04890 · pith_short_12: LGIRMMWZZ362 · pith_short_16: LGIRMMWZZ362P3VN · pith_short_8: LGIRMMWZ

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/LGIRMMWZZ362P3VNQE7DDPMTPR \
  | 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: 59911632d9cefda7eead813e31bd937c56f49c8b4560c5253ba2dab57bbd07ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81e5a95da039709f0ff0d41431bd8972fa142f761f8ce21abf3d04993b983921",
    "cross_cats_sorted": [
      "cs.AR",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-13T07:31:26Z",
    "title_canon_sha256": "fccc7295188491b62f9c5bdda77d5be8237d2c6422ebc2be051911fa35182e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04890",
    "kind": "arxiv",
    "version": 2
  }
}