Pith Number

pith:NGCH5VMW

pith:2019:NGCH5VMW5R6AWNF7ABDMJ4WLXZ

not attested not anchored not stored refs pending

OpenWSI: a low-cost, high-throughput whole slide imaging system via single-frame autofocusing and open-source hardware

Chengfei Guo, Guoan Zheng, Jiakai Zhu, Michael Murphy, Pengming Song, Ruihai Wang, Shaowei Jiang, Xiaopeng Shao, Yongbing Zhang, Zichao Bian

arxiv:1912.03446 v1 · 2019-12-07 · eess.IV · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGCH5VMW5R6AWNF7ABDMJ4WLXZ}

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	2026-07-05T00:28:25.687092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69847ed596ec7c0b34bf0046c4f2cbbe6b5fccf027c1aeb8110fb917876b140c

Aliases

arxiv: 1912.03446 · arxiv_version: 1912.03446v1 · doi: 10.48550/arxiv.1912.03446 · pith_short_12: NGCH5VMW5R6A · pith_short_16: NGCH5VMW5R6AWNF7 · pith_short_8: NGCH5VMW

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/NGCH5VMW5R6AWNF7ABDMJ4WLXZ \
  | 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: 69847ed596ec7c0b34bf0046c4f2cbbe6b5fccf027c1aeb8110fb917876b140c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceffe019311becfe02354863a487758e5c486b3219616f661bb0ccee55cc766c",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-12-07T05:49:32Z",
    "title_canon_sha256": "a214b9054597b56847ab13e2440b57c00544fd4db6a900358a5dd6a1292b2f18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03446",
    "kind": "arxiv",
    "version": 1
  }
}