Pith Number

pith:FY3UGUNR

pith:2018:FY3UGUNRTSMU3P5624QHO4KSRH

not attested not anchored not stored refs pending

Solving Fourier ptychographic imaging problems via neural network modeling and TensorFlow

Guoan Zheng, Jun Liao, KaiKai Guo, Shaowei Jiang

arxiv:1803.03434 v1 · 2018-03-09 · cs.CV · 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{FY3UGUNRTSMU3P5624QHO4KSRH}

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	2026-05-18T00:21:39.577875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e374351b19c994dbfbed72077715289f887f712e5da3d7310fd373974a8ba62

Aliases

arxiv: 1803.03434 · arxiv_version: 1803.03434v1 · doi: 10.48550/arxiv.1803.03434 · pith_short_12: FY3UGUNRTSMU · pith_short_16: FY3UGUNRTSMU3P56 · pith_short_8: FY3UGUNR

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/FY3UGUNRTSMU3P5624QHO4KSRH \
  | 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: 2e374351b19c994dbfbed72077715289f887f712e5da3d7310fd373974a8ba62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e307dc2c38ab4f8939a57fc3c7df8c3eba54169071f209e93e3c72522fbef238",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-09T09:38:32Z",
    "title_canon_sha256": "f5ad3e2851688f7d67e5f4ea4bc76b71e565be466993fcbaf76bc75bd7eb4783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03434",
    "kind": "arxiv",
    "version": 1
  }
}