Pith Number

pith:F35N3TDR

pith:2020:F35N3TDRRVGOZPVPB44APKR4EO

not attested not anchored not stored refs pending

Quantitative phase-contrast imaging: a bridge between qualitative phase-contrast and phase retrieval algorithms

Joseph Rosen, Nathaniel Hai

arxiv:2007.09602 v1 · 2020-07-19 · physics.optics · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F35N3TDRRVGOZPVPB44APKR4EO}

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	2026-07-05T01:20:26.962115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2efaddcc718d4cecbeaf0f3807aa3c238997b69f1e708325c4c71f878764ad70

Aliases

arxiv: 2007.09602 · arxiv_version: 2007.09602v1 · doi: 10.48550/arxiv.2007.09602 · pith_short_12: F35N3TDRRVGO · pith_short_16: F35N3TDRRVGOZPVP · pith_short_8: F35N3TDR

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/F35N3TDRRVGOZPVPB44APKR4EO \
  | 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: 2efaddcc718d4cecbeaf0f3807aa3c238997b69f1e708325c4c71f878764ad70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a47817f53aa133c9c48545be3ab3890e7bff991adf4d717f864adbfb62315714",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-07-19T06:33:05Z",
    "title_canon_sha256": "74448f685254ba68803c19b2fec36220c92b808cae5143be67efd06778e62c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.09602",
    "kind": "arxiv",
    "version": 1
  }
}