Pith Number

pith:K46FEFJK

pith:2015:K46FEFJKKDHUPDQF2CK5FH2A2H

not attested not anchored not stored refs pending

Computational illumination for high-speed in vitro Fourier ptychographic microscopy

Jingshan Zhong, Laura Waller, Lei Tian, Li-Hao Yeh, Michael Chen, Ziji Liu

arxiv:1506.04274 v2 · 2015-06-13 · 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{K46FEFJKKDHUPDQF2CK5FH2A2H}

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	2026-05-18T01:30:07.916964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

573c52152a50cf478e05d095d29f40d1e5009aab1adad57e702840982d607ff8

Aliases

arxiv: 1506.04274 · arxiv_version: 1506.04274v2 · doi: 10.48550/arxiv.1506.04274 · pith_short_12: K46FEFJKKDHU · pith_short_16: K46FEFJKKDHUPDQF · pith_short_8: K46FEFJK

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/K46FEFJKKDHUPDQF2CK5FH2A2H \
  | 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: 573c52152a50cf478e05d095d29f40d1e5009aab1adad57e702840982d607ff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01e62e1a0e125332d07217770d03b5fb383290d900b3447c34f96ed6aeb5925",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-06-13T14:42:25Z",
    "title_canon_sha256": "67f6b922115a2d53f91dd29f4741f59f36821376f47d8cde20431110c2cf3928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04274",
    "kind": "arxiv",
    "version": 2
  }
}