Pith Number

pith:L4TZ7CFW

pith:2020:L4TZ7CFW3BOQ6L6GHFUH7SUCZ7

not attested not anchored not stored refs pending

Edge effect removal in Fourier ptychographic microscopy via periodic plus smooth image decomposition

Aiye Wang, An Pan, Baoli Yao, Caiwen Ma, Junfu Zheng, Yuting Gao

arxiv:2009.03138 v3 · 2020-09-07 · 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{L4TZ7CFW3BOQ6L6GHFUH7SUCZ7}

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	2026-07-05T05:55:05.888380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f279f88b6d85d0f2fc639687fca82cfe2ed6fbd25c14a5b1085571d7933eec5

Aliases

arxiv: 2009.03138 · arxiv_version: 2009.03138v3 · doi: 10.48550/arxiv.2009.03138 · pith_short_12: L4TZ7CFW3BOQ · pith_short_16: L4TZ7CFW3BOQ6L6G · pith_short_8: L4TZ7CFW

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/L4TZ7CFW3BOQ6L6GHFUH7SUCZ7 \
  | 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: 5f279f88b6d85d0f2fc639687fca82cfe2ed6fbd25c14a5b1085571d7933eec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "540b8d7b0ecb9bc5ccb53d8877c8e5b60c78e0c0d7597bc0f4a81d49ea5daa59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-09-07T14:48:39Z",
    "title_canon_sha256": "135e05a788437b6da64a81ea41fe5ea7e39100c7c02e9962aa1afb0e63b035e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03138",
    "kind": "arxiv",
    "version": 3
  }
}