Pith Number

pith:2HWQFJMX

pith:2021:2HWQFJMXKM3QGBZ2QVIN377N2G

not attested not anchored not stored refs pending

A Large-Scale Dataset for Benchmarking Elevator Button Segmentation and Character Recognition

Delong Zhu, Jianbang Liu, Jin Pan, Max Q.-H. Meng, Nachuan Ma, Yuqi Fang

arxiv:2103.09030 v2 · 2021-03-16 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HWQFJMXKM3QGBZ2QVIN377N2G}

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	2026-07-05T02:36:10.277022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1ed02a597533703073a8550ddffedd1a363f70f2eca5766be8d836b7431f09a

Aliases

arxiv: 2103.09030 · arxiv_version: 2103.09030v2 · doi: 10.48550/arxiv.2103.09030 · pith_short_12: 2HWQFJMXKM3Q · pith_short_16: 2HWQFJMXKM3QGBZ2 · pith_short_8: 2HWQFJMX

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/2HWQFJMXKM3QGBZ2QVIN377N2G \
  | 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: d1ed02a597533703073a8550ddffedd1a363f70f2eca5766be8d836b7431f09a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829511a00d12a5bb60106ccdd19ea7a822f37d2aee667a38ca7dc63e5b2030ac",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-16T12:57:58Z",
    "title_canon_sha256": "8516889628c414b39c653faf0665aaad820f837ae61d1134347eadc9aa30d290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09030",
    "kind": "arxiv",
    "version": 2
  }
}