Pith Number

pith:AKRTH3SV

pith:2015:AKRTH3SVKLI7P5QT55NJKFIZ2Y

not attested not anchored not stored refs pending

Experimental robustness of Fourier Ptychography phase retrieval algorithms

Gongguo Tang, Jingshan Zhong, Jonathan Dong, Laura Waller, Lei Tian, Li-Hao Yeh, Mahdi Soltanolkotabi, Michael Chen

arxiv:1511.02986 v2 · 2015-11-10 · physics.optics · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKRTH3SVKLI7P5QT55NJKFIZ2Y}

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	2026-05-18T01:24:06.364730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a333ee5552d1f7f613ef5a951519d635a3972c1d23d73af00dccca17bd9611

Aliases

arxiv: 1511.02986 · arxiv_version: 1511.02986v2 · doi: 10.48550/arxiv.1511.02986 · pith_short_12: AKRTH3SVKLI7 · pith_short_16: AKRTH3SVKLI7P5QT · pith_short_8: AKRTH3SV

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/AKRTH3SVKLI7P5QT55NJKFIZ2Y \
  | 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: 02a333ee5552d1f7f613ef5a951519d635a3972c1d23d73af00dccca17bd9611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf11f69a5b554736d433f1fe991b48449902019a152bfb180253b516d3c9c26",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-11-10T03:45:02Z",
    "title_canon_sha256": "0073c2c979a6f250fa9144703f7fd8ccf7405066a2c2b67852e580993e14552d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02986",
    "kind": "arxiv",
    "version": 2
  }
}