Pith Number

pith:XLP5I2GV

pith:2017:XLP5I2GVUQ2QCM34R5YZREL6I3

not attested not anchored not stored refs pending

High-resolution transport-of-intensity quantitative phase microscopy with annular illumination

Anand Asundi, Chao Zuo, Jiaji Li, Jialin Zhang, Jiasong Sun, Qian Chen

arxiv:1704.04091 v3 · 2017-04-13 · physics.optics · physics.bio-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLP5I2GVUQ2QCM34R5YZREL6I3}

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	2026-05-18T00:43:25.644427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

badfd468d5a43501337c8f7198917e46d7f2566d4981de16382c07b0890632bc

Aliases

arxiv: 1704.04091 · arxiv_version: 1704.04091v3 · doi: 10.48550/arxiv.1704.04091 · pith_short_12: XLP5I2GVUQ2Q · pith_short_16: XLP5I2GVUQ2QCM34 · pith_short_8: XLP5I2GV

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/XLP5I2GVUQ2QCM34R5YZREL6I3 \
  | 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: badfd468d5a43501337c8f7198917e46d7f2566d4981de16382c07b0890632bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77b0ac9b82bc261cca5556e4f1a46b3f365d106868a91d47bed0bd79ae2d6d57",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-04-13T12:37:30Z",
    "title_canon_sha256": "ee5777c4d4e277a0c5b68ea1554dde8602ebe72dc7ae17ffcbd3954b7a448bca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04091",
    "kind": "arxiv",
    "version": 3
  }
}