Pith Number

pith:O6EWVGLM

pith:2021:O6EWVGLMRCZ76WJGXTMUGPDB7K

not attested not anchored not stored refs pending

A Thickness Sensitive Vessel Extraction Framework for Retinal and Conjunctival Vascular Tortuosity Analysis

Anjula De Silva, Ashwin De Silva, Malsha V. Perera, Navodini Wijethilake, Nuwan D. Nanayakkara, Saroj Jayasinghe

arxiv:2101.00435 v1 · 2021-01-02 · 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{O6EWVGLMRCZ76WJGXTMUGPDB7K}

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	2026-07-05T02:04:18.363162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77896a996c88b3ff5926bcd9433c61faadfb7a394f31e293042b16944d2da5c2

Aliases

arxiv: 2101.00435 · arxiv_version: 2101.00435v1 · doi: 10.48550/arxiv.2101.00435 · pith_short_12: O6EWVGLMRCZ7 · pith_short_16: O6EWVGLMRCZ76WJG · pith_short_8: O6EWVGLM

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/O6EWVGLMRCZ76WJGXTMUGPDB7K \
  | 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: 77896a996c88b3ff5926bcd9433c61faadfb7a394f31e293042b16944d2da5c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cedc317a291defabab458fb99e12febf7df852dc6f94621f6509c8bae2f67d94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-01-02T11:47:31Z",
    "title_canon_sha256": "5c4da7fafbd1eb8664f03a53b63eeb4dd799d7eb36aefd390085e225a8496e65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00435",
    "kind": "arxiv",
    "version": 1
  }
}