Pith Number

pith:ICJ6PPID

pith:2017:ICJ6PPIDDDKSMHJGKL52QPNF4O

not attested not anchored not stored refs pending

Highly efficient quantitative phase microscopy using programmable annular LED illumination

Chao Zuo, Jiaji Li, Jialin Zhang, Linpeng Lu, Qian Chen, Yan Zhang

arxiv:1707.04003 v1 · 2017-07-13 · 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{ICJ6PPIDDDKSMHJGKL52QPNF4O}

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	2026-05-18T00:40:22.852303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4093e7bd0318d5261d2652fba83da5e3b0386cd5e77893169f57d7ae30b98e9f

Aliases

arxiv: 1707.04003 · arxiv_version: 1707.04003v1 · doi: 10.48550/arxiv.1707.04003 · pith_short_12: ICJ6PPIDDDKS · pith_short_16: ICJ6PPIDDDKSMHJG · pith_short_8: ICJ6PPID

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/ICJ6PPIDDDKSMHJGKL52QPNF4O \
  | 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: 4093e7bd0318d5261d2652fba83da5e3b0386cd5e77893169f57d7ae30b98e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfd5be80dd32920bf983017a3ae044fda0e48c411858a753b60d17326e278657",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-07-13T07:42:41Z",
    "title_canon_sha256": "ddd6ae2b9b271639a23d557de87dbf3d44ec56b87d2b85ea6257622367e9298a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04003",
    "kind": "arxiv",
    "version": 1
  }
}