Pith Number

pith:JQISEFU6

pith:2018:JQISEFU6XZW26GQ42TYMYT3IQ2

not attested not anchored not stored refs pending

OCT segmentation: Integrating open parametric contour model of the retinal layers and shape constraint to the Mumford-Shah functional

Christopher Tench, Frank Proudlock, Irene Gottlob, Jinming Duan, Li Bai, Ryan Wen Liu, Weicheng Xie

arxiv:1808.02917 v1 · 2018-08-08 · 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{JQISEFU6XZW26GQ42TYMYT3IQ2}

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	2026-05-18T00:08:30.654153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c1122169ebe6daf1a1cd4f0cc4f688699afb42ff6513b36443b83d54c1fff9b

Aliases

arxiv: 1808.02917 · arxiv_version: 1808.02917v1 · doi: 10.48550/arxiv.1808.02917 · pith_short_12: JQISEFU6XZW2 · pith_short_16: JQISEFU6XZW26GQ4 · pith_short_8: JQISEFU6

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/JQISEFU6XZW26GQ42TYMYT3IQ2 \
  | 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: 4c1122169ebe6daf1a1cd4f0cc4f688699afb42ff6513b36443b83d54c1fff9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae8dee2d1a7bbeaabcc5bde91e43cdfa26fbb8b8d562d343a86b0da0dd20ef0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-08T19:29:21Z",
    "title_canon_sha256": "fafc24f4bacbd79e236aeb5b3f683258849917d0e38c71db92c9d1a2bb731561"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02917",
    "kind": "arxiv",
    "version": 1
  }
}