Pith Number

pith:D3QJWQL2

pith:2021:D3QJWQL25KAYU7OM6I3CDLBFME

not attested not anchored not stored refs pending

Automatic Segmentation of the Optic Nerve Head Region in Optical Coherence Tomography: A Methodological Review

Danilo Andrade De Jesus, Ingeborg Stalmans, Jan Van Eijgen, Jo\~ao Barbosa Breda, Luisa S\'anchez Brea, Pedro G. Vaz, Rita Marques, Stefan Klein, Theo van Walsum

arxiv:2109.02322 v1 · 2021-09-06 · eess.IV · cs.CV · physics.med-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{D3QJWQL25KAYU7OM6I3CDLBFME}

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	2026-07-05T03:11:41.148518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ee09b417aea818a7dccf23621ac256102ccdff1ec5975c4fe581c49292418e0

Aliases

arxiv: 2109.02322 · arxiv_version: 2109.02322v1 · doi: 10.48550/arxiv.2109.02322 · pith_short_12: D3QJWQL25KAY · pith_short_16: D3QJWQL25KAYU7OM · pith_short_8: D3QJWQL2

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/D3QJWQL25KAYU7OM6I3CDLBFME \
  | 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: 1ee09b417aea818a7dccf23621ac256102ccdff1ec5975c4fe581c49292418e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47c615ce950d90b8ef821cbea48b8ebaac4e3e345921e1d2eefa57c698d023cd",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-06T09:45:57Z",
    "title_canon_sha256": "f2ff98c892de4c9a6afe8015f15660a77299c2ff81e862b82ace22e754a41a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02322",
    "kind": "arxiv",
    "version": 1
  }
}