Pith Number

pith:VW5V2OC7

pith:2021:VW5V2OC74DIFDXVIGTTPKXBHHS

not attested not anchored not stored refs pending

FloorPlanCAD: A Large-Scale CAD Drawing Dataset for Panoptic Symbol Spotting

Honghua Li, Lingjie Zhu, Ping Tan, Siyu Zhu, Xiaohao Chen, Zhiwen Fan

arxiv:2105.07147 v2 · 2021-05-15 · 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{VW5V2OC74DIFDXVIGTTPKXBHHS}

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	2026-07-05T03:36:03.750818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adbb5d385fe0d051dea834e6f55c273c92784d656b3bccea78dd2993e098361a

Aliases

arxiv: 2105.07147 · arxiv_version: 2105.07147v2 · doi: 10.48550/arxiv.2105.07147 · pith_short_12: VW5V2OC74DIF · pith_short_16: VW5V2OC74DIFDXVI · pith_short_8: VW5V2OC7

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/VW5V2OC74DIFDXVIGTTPKXBHHS \
  | 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: adbb5d385fe0d051dea834e6f55c273c92784d656b3bccea78dd2993e098361a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d159fae447a1baf22e4212502653117a31fda08367b7b243d2e79e475db2405",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-15T06:01:11Z",
    "title_canon_sha256": "bd75babc6a1b90d53562c32e84aa4438b41d5bddfa9fe856501b80f0f2dea70d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07147",
    "kind": "arxiv",
    "version": 2
  }
}