Pith Number

pith:EZSL6AZY

pith:2022:EZSL6AZYTZOYMLBE36WYHSSBD5

not attested not anchored not stored refs pending

A portable widefield fundus camera with high dynamic range imaging capability

Alfa Rossi, David Le, Michael J. Heiferman, Mojtaba Rahimi, R. V. Paul Chan, Taeyoon Son, Xincheng Yao

arxiv:2212.13257 v1 · 2022-12-20 · physics.med-ph · cs.CV · cs.SY · eess.IV · eess.SY · 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{EZSL6AZYTZOYMLBE36WYHSSBD5}

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	2026-07-05T05:28:49.669938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2664bf03389e5d862c24dfad83ca411f79756ae208ee92eeb946d31348701d61

Aliases

arxiv: 2212.13257 · arxiv_version: 2212.13257v1 · doi: 10.48550/arxiv.2212.13257 · pith_short_12: EZSL6AZYTZOY · pith_short_16: EZSL6AZYTZOYMLBE · pith_short_8: EZSL6AZY

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/EZSL6AZYTZOYMLBE36WYHSSBD5 \
  | 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: 2664bf03389e5d862c24dfad83ca411f79756ae208ee92eeb946d31348701d61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49506a0dd129e218c3eed583389899685fad33490e66e7538bd785af8d5a2a1",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.SY",
      "eess.IV",
      "eess.SY",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-12-20T19:01:40Z",
    "title_canon_sha256": "4a29a4470af0f0fadcb6eef6bb08e82c51751765562bec57ac52cfd35c15872a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.13257",
    "kind": "arxiv",
    "version": 1
  }
}