Pith Number

pith:VIKAJNP5

pith:2019:VIKAJNP5DWNOQRXQFXRFI24UXS

not attested not anchored not stored refs pending

Full-field Fourier ptychography (FFP): spatially varying pupil modeling and its application for rapid field-dependent aberration metrology

Guoan Zheng, He Zhang, Pengming Song, Shaowei Jiang, Xizhi Huang, Yongbing Zhang

arxiv:1905.00162 v1 · 2019-05-01 · physics.optics · eess.IV

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VIKAJNP5DWNOQRXQFXRFI24UXS}

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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	2026-05-17T23:45:14.594119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa1404b5fd1d9ae846f02de2546b94bc89a1bcec3580e603435c5289b002ec19

Aliases

arxiv: 1905.00162 · arxiv_version: 1905.00162v1 · doi: 10.48550/arxiv.1905.00162 · pith_short_12: VIKAJNP5DWNO · pith_short_16: VIKAJNP5DWNOQRXQ · pith_short_8: VIKAJNP5

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/VIKAJNP5DWNOQRXQFXRFI24UXS \
  | 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: aa1404b5fd1d9ae846f02de2546b94bc89a1bcec3580e603435c5289b002ec19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6788ce16ab4f7ef8d14626e6fb8df5f1767b54332eb98b1aa1a1c710a68d57d0",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-01T02:20:39Z",
    "title_canon_sha256": "fb731dc3821c7bdb0ce5517263f72f480dc0fb37f8cb0ccebeaf1e085ba225a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00162",
    "kind": "arxiv",
    "version": 1
  }
}