Pith Number

pith:KVEBCJHD

pith:2016:KVEBCJHDA5CBOQHC24I5ZSNEFW

not attested not anchored not stored refs pending

Fourier ptychographic reconstruction using Poisson maximum likelihood and truncated Wirtinger gradient

Changhuei Yang, Feng Chen, Jaebum Chung, Jinli Suo, Liheng Bian, Qionghai Dai, Xiaoze Ou

arxiv:1603.04746 v1 · 2016-03-01 · 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{KVEBCJHDA5CBOQHC24I5ZSNEFW}

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	2026-05-18T01:10:59.264522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55481124e307441740e2d711dcc9a42d9a7ddb1ac9b08dfff02c5372a6090f9d

Aliases

arxiv: 1603.04746 · arxiv_version: 1603.04746v1 · doi: 10.48550/arxiv.1603.04746 · pith_short_12: KVEBCJHDA5CB · pith_short_16: KVEBCJHDA5CBOQHC · pith_short_8: KVEBCJHD

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/KVEBCJHDA5CBOQHC24I5ZSNEFW \
  | 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: 55481124e307441740e2d711dcc9a42d9a7ddb1ac9b08dfff02c5372a6090f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4f396e71e03edf32ff6b7dcf97b70a44c09febd21347fa2ff54f7dd1bde981",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-03-01T21:05:48Z",
    "title_canon_sha256": "0bc53e889f1822335857d54c36be86cdffd4da57f0a3264b25a26b402ac8fd72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04746",
    "kind": "arxiv",
    "version": 1
  }
}