Pith Number

pith:BOCGSQLJ

pith:2019:BOCGSQLJTVQNJJHOKL3WURYHTC

not attested not anchored not stored refs pending

Super-resolution microscopy via ptychographic structured modulation of a diffuser

Chengfei Guo, Guoan Zheng, He Zhang, Kazunori Hoshino, Pengming Song, Shaowei Jiang, Zichao Bian

arxiv:1904.11832 v2 · 2019-04-25 · 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{BOCGSQLJTVQNJJHOKL3WURYHTC}

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	2026-05-17T23:39:35.305143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b846941699d60d4a4ee52f76a470798b20c44be5dc1dd155169ab913cedad4b

Aliases

arxiv: 1904.11832 · arxiv_version: 1904.11832v2 · doi: 10.48550/arxiv.1904.11832 · pith_short_12: BOCGSQLJTVQN · pith_short_16: BOCGSQLJTVQNJJHO · pith_short_8: BOCGSQLJ

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/BOCGSQLJTVQNJJHOKL3WURYHTC \
  | 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: 0b846941699d60d4a4ee52f76a470798b20c44be5dc1dd155169ab913cedad4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfa4338f4e84a2792b7515218a3484b93119551ce74124bd4125e7c6bf5ae159",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-04-25T16:49:37Z",
    "title_canon_sha256": "5a609ea81888eec93b2ba83850a963117ad7b8e77af497a3966b26dc633c0a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11832",
    "kind": "arxiv",
    "version": 2
  }
}