Pith Number

pith:4LJCSAXA

pith:2018:4LJCSAXACJT35MWB6FD4W4ZTN4

not attested not anchored not stored refs pending

Microscopic 3D measurement of shiny surfaces based on a multi-frequency phase-shifting scheme

Chao Zuo, Qian Chen, Shijie Feng, Tianyang Tao, Yan Hu, Yichao Liang

arxiv:1901.00381 v1 · 2018-12-31 · eess.IV · 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{4LJCSAXACJT35MWB6FD4W4ZTN4}

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	2026-05-17T23:42:25.227739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d22902e01267beb2c1f147cb73336f08635ddb51ab2550dde4eded60abbdef

Aliases

arxiv: 1901.00381 · arxiv_version: 1901.00381v1 · doi: 10.48550/arxiv.1901.00381 · pith_short_12: 4LJCSAXACJT3 · pith_short_16: 4LJCSAXACJT35MWB · pith_short_8: 4LJCSAXA

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/4LJCSAXACJT35MWB6FD4W4ZTN4 \
  | 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: e2d22902e01267beb2c1f147cb73336f08635ddb51ab2550dde4eded60abbdef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1cbd0d0ba8c8cd2da7d74e7ef361c8a9605d69324e90aeafa46d33b6b93e5c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-12-31T09:38:43Z",
    "title_canon_sha256": "c99ba8c8295d4c470b8cb3c6f762f2aca4015fe9a72d0d1ba4c2dc9d524c6328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00381",
    "kind": "arxiv",
    "version": 1
  }
}