Pith Number

pith:CVZQYTQZ

pith:2019:CVZQYTQZVBZYNZRGABM5WHTMF7

not attested not anchored not stored refs pending

Near-field Fourier ptychography: super-resolution phase retrieval via speckle illumination

Guoan Zheng, He Zhang, Jian Liu, Junjing Deng, Jun Liao, Shaowei Jiang, Yongbing Zhang

arxiv:1901.03057 v2 · 2019-01-10 · physics.optics · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVZQYTQZVBZYNZRGABM5WHTMF7}

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	2026-05-17T23:50:21.926582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15730c4e19a87386e6260059db1e6c2fd9bc1507e7f26798f61167ed1abd2842

Aliases

arxiv: 1901.03057 · arxiv_version: 1901.03057v2 · doi: 10.48550/arxiv.1901.03057 · pith_short_12: CVZQYTQZVBZY · pith_short_16: CVZQYTQZVBZYNZRG · pith_short_8: CVZQYTQZ

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/CVZQYTQZVBZYNZRGABM5WHTMF7 \
  | 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: 15730c4e19a87386e6260059db1e6c2fd9bc1507e7f26798f61167ed1abd2842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc6118afa2ae5da640fe0e12c985c4b493cb6c9b85ae60d430c5d3e94fcb1dc",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-10T08:44:50Z",
    "title_canon_sha256": "9dd6049ed72781239a784cedd154457042ccff63c600304757149337606384ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03057",
    "kind": "arxiv",
    "version": 2
  }
}