Pith Number

pith:BHH3GTMM

pith:2019:BHH3GTMMPY3IQT4DABESHWJDJE

not attested not anchored not stored refs pending

Application of support vector machine for the fast and accurate reconstruction of nanostructures in optical scatterometry

Chuanwei Zhang, Hao Jiang, Jinlong Zhu, Shiyuan Liu, Xiuguo Chen

arxiv:1905.06857 v1 · 2019-05-15 · math.OC · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHH3GTMMPY3IQT4DABESHWJDJE}

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	2026-05-17T23:46:00.819250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09cfb34d8c7e36884f83004923d923492cd1e1bf5b84977fabdbedc197d43925

Aliases

arxiv: 1905.06857 · arxiv_version: 1905.06857v1 · doi: 10.48550/arxiv.1905.06857 · pith_short_12: BHH3GTMMPY3I · pith_short_16: BHH3GTMMPY3IQT4D · pith_short_8: BHH3GTMM

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/BHH3GTMMPY3IQT4DABESHWJDJE \
  | 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: 09cfb34d8c7e36884f83004923d923492cd1e1bf5b84977fabdbedc197d43925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da03382546b2eef17175fd0c62c192b9229c5c9075001779c7764585d67ebf0",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-15T04:00:49Z",
    "title_canon_sha256": "8619adc5eaec61f2872f4cf7733228d83a341bade23e894d227ad5c9f660b1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06857",
    "kind": "arxiv",
    "version": 1
  }
}