Pith Number

pith:EE32MP7Z

pith:2013:EE32MP7ZU57LVGPF5HGFVWOKAR

not attested not anchored not stored refs pending

Quantitative phase imaging via Fourier ptychographic microscopy

Changhuei Yang, Guoan Zheng, Roarke Horstmeyer, Xiaoze Ou

arxiv:1309.7516 v1 · 2013-09-29 · 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{EE32MP7ZU57LVGPF5HGFVWOKAR}

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	2026-05-18T02:52:49.497007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2137a63ff9a77eba99e5e9cc5ad9ca044d6812f681d8499b9daebc396347126a

Aliases

arxiv: 1309.7516 · arxiv_version: 1309.7516v1 · doi: 10.48550/arxiv.1309.7516 · pith_short_12: EE32MP7ZU57L · pith_short_16: EE32MP7ZU57LVGPF · pith_short_8: EE32MP7Z

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/EE32MP7ZU57LVGPF5HGFVWOKAR \
  | 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: 2137a63ff9a77eba99e5e9cc5ad9ca044d6812f681d8499b9daebc396347126a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99426ce90fc20a6d9076ca14b071817eabc86cc46e2e6f19ce8b15a0ea217716",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-09-29T01:29:05Z",
    "title_canon_sha256": "de447341405271eb996d2fbc6a890a9108feb8636f0f25d38a152a8f3c86388d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7516",
    "kind": "arxiv",
    "version": 1
  }
}