Pith Number

pith:7XVNGEB4

pith:2019:7XVNGEB4LXXOXPS5DW5Z33XJY6

not attested not anchored not stored refs pending

Field-portable quantitative lensless microscopy based on translated speckle illumination and sub-sampled ptychographic phase retrieval

Guoan Zheng, He Zhang, Jian Liu, Pengming Song, Shaowei Jiang, Zichao Bian

arxiv:1903.12565 v1 · 2019-03-28 · 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{7XVNGEB4LXXOXPS5DW5Z33XJY6}

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	2026-05-17T23:47:48.202370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdead3103c5deeebbe5d1dbb9deee9c7a7876a1ecabba89bf9bd4b9b319a0753

Aliases

arxiv: 1903.12565 · arxiv_version: 1903.12565v1 · doi: 10.48550/arxiv.1903.12565 · pith_short_12: 7XVNGEB4LXXO · pith_short_16: 7XVNGEB4LXXOXPS5 · pith_short_8: 7XVNGEB4

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/7XVNGEB4LXXOXPS5DW5Z33XJY6 \
  | 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: fdead3103c5deeebbe5d1dbb9deee9c7a7876a1ecabba89bf9bd4b9b319a0753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0497b69deaa0e8531635d6e482599b19bf5cd43dd5775caa6cf661556e5f90db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-03-28T17:36:05Z",
    "title_canon_sha256": "c5c6ebef231a914f9ac7ddda4ba0a501311217d99b22e22e02e258748c1aff8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12565",
    "kind": "arxiv",
    "version": 1
  }
}