Pith Number

pith:5EZCDNM2

pith:2017:5EZCDNM2AAYAED2QLFWFLFZCHG

not attested not anchored not stored refs pending

Optimization of phase retrieval in the Fresnel domain by the modified Gerchberg-Saxton algorithm

Melvin Kuester, Soheil Mehrabkhani

arxiv:1711.01176 v3 · 2017-11-02 · eess.IV · 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{5EZCDNM2AAYAED2QLFWFLFZCHG}

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	2026-05-17T23:55:23.156006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93221b59a0030020f50596c559722398aa9e2f001c6efdc8b70f0a4bbeecdec

Aliases

arxiv: 1711.01176 · arxiv_version: 1711.01176v3 · doi: 10.48550/arxiv.1711.01176 · pith_short_12: 5EZCDNM2AAYA · pith_short_16: 5EZCDNM2AAYAED2Q · pith_short_8: 5EZCDNM2

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/5EZCDNM2AAYAED2QLFWFLFZCHG \
  | 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: e93221b59a0030020f50596c559722398aa9e2f001c6efdc8b70f0a4bbeecdec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c113e1575bd7c0c465447f80a1b88829b9f839d5d163b32668911e3a2b8878b4",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2017-11-02T15:42:44Z",
    "title_canon_sha256": "44e275b52c9b69c1eec727094ae51ae34649dcd9eab2906b07699a26fdc81f20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01176",
    "kind": "arxiv",
    "version": 3
  }
}