Pith Number

pith:QHFDSQJN

pith:2026:QHFDSQJNBOJHNV7PQC2ER3YABC

not attested not anchored not stored refs pending

Fully Automated High-Precision Segmentation of Retinal Atrophy and Ellipsoid Zone Thickness in OCT: A Reliable Tool for Real-World GA Monitoring

Amir Sadeghipour, Ariadne Whitby, Hlynur Skulason, Oliver Leingang, Ursula Schmidt-Erfurth, Wolf-Dieter Vogl

arxiv:2606.31502 v1 · 2026-06-30 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHFDSQJNBOJHNV7PQC2ER3YABC}

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	2026-07-01T01:18:05.205508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ca39412d0b9276d7ef80b448ef0008a802073d1e7185558597fd9446ac18de

Aliases

arxiv: 2606.31502 · arxiv_version: 2606.31502v1 · doi: 10.48550/arxiv.2606.31502 · pith_short_12: QHFDSQJNBOJH · pith_short_16: QHFDSQJNBOJHNV7P · pith_short_8: QHFDSQJN

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/QHFDSQJNBOJHNV7PQC2ER3YABC \
  | 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: 81ca39412d0b9276d7ef80b448ef0008a802073d1e7185558597fd9446ac18de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1a3639f19ca528dbc1319b6d3915c88f1c25f65c53fd3bf0a638241241d0a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-30T11:21:57Z",
    "title_canon_sha256": "fb4bac844a49f8f168e437eb9271e774edee94ddb13f4d8ee9fc0b5c700e1bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31502",
    "kind": "arxiv",
    "version": 1
  }
}