Pith Number

pith:RXCBPBAE

pith:2014:RXCBPBAEE5P3Y7XPX74E6JNXIO

not attested not anchored not stored refs pending

Content adaptive sparse illumination for Fourier ptychography

Feng Chen, Guoan Zheng, Guohai Situ, Jinli Suo, Liheng Bian, Qionghai Dai

arxiv:1408.0577 v1 · 2014-08-04 · 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{RXCBPBAEE5P3Y7XPX74E6JNXIO}

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	2026-05-18T02:33:01.064265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc4178404275fbc7eefbff84f25b74387220ac71b334a1e91a31c9e97d5934f

Aliases

arxiv: 1408.0577 · arxiv_version: 1408.0577v1 · doi: 10.48550/arxiv.1408.0577 · pith_short_12: RXCBPBAEE5P3 · pith_short_16: RXCBPBAEE5P3Y7XP · pith_short_8: RXCBPBAE

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/RXCBPBAEE5P3Y7XPX74E6JNXIO \
  | 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: 8dc4178404275fbc7eefbff84f25b74387220ac71b334a1e91a31c9e97d5934f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "833b98dc6a676b5ef42c17e3f01477610c7211886239561b2fcae8498c8cffc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-08-04T03:54:15Z",
    "title_canon_sha256": "73ff596c5d54773a43bf13b9acfe5fbee2b34a2ee530413e3b3bfc8dbc3f802c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0577",
    "kind": "arxiv",
    "version": 1
  }
}