Pith Number

pith:7B7GZJWT

pith:2020:7B7GZJWTSWT7YUDQ3J5T4APHRS

not attested not anchored not stored refs pending

Beyond Fourier transform: super-resolving optical coherence tomography

Chuanqing Zhou, Leopold Schmetterer, Mengyuan Wang, Xinwen Yao, Yikai Su, Yu Gan, Yuye Ling

arxiv:2001.03129 v3 · 2020-01-09 · 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{7B7GZJWTSWT7YUDQ3J5T4APHRS}

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	2026-07-05T01:03:42.364733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87e6ca6d395a7fc5070da7b3e01e78c8f6fadb8f1508b224750413ba87d3922

Aliases

arxiv: 2001.03129 · arxiv_version: 2001.03129v3 · doi: 10.48550/arxiv.2001.03129 · pith_short_12: 7B7GZJWTSWT7 · pith_short_16: 7B7GZJWTSWT7YUDQ · pith_short_8: 7B7GZJWT

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/7B7GZJWTSWT7YUDQ3J5T4APHRS \
  | 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: f87e6ca6d395a7fc5070da7b3e01e78c8f6fadb8f1508b224750413ba87d3922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8335639e256b039143f9dfabb97db0f3742108f9df0401a5294be72a743647d4",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-01-09T17:43:51Z",
    "title_canon_sha256": "25e3ad0d102d32f021db6d2fca1ec3d9e13ab0fad3630f546117182efe79e9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03129",
    "kind": "arxiv",
    "version": 3
  }
}