Pith Number

pith:YCNDDPJR

pith:2017:YCNDDPJR5GXUMXUNVIHTQMWLKD

not attested not anchored not stored refs pending

Automatic Segmentation of Retinal Vasculature

Renoh Johnson Chalakkal, Waleed Abdulla

arxiv:1707.06323 v1 · 2017-07-19 · 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{YCNDDPJR5GXUMXUNVIHTQMWLKD}

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	2026-05-18T00:39:54.145208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c09a31bd31e9af465e8daa0f3832cb50d2e060201cae76001c5fb1007fd8aa10

Aliases

arxiv: 1707.06323 · arxiv_version: 1707.06323v1 · doi: 10.48550/arxiv.1707.06323 · pith_short_12: YCNDDPJR5GXU · pith_short_16: YCNDDPJR5GXUMXUN · pith_short_8: YCNDDPJR

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/YCNDDPJR5GXUMXUNVIHTQMWLKD \
  | 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: c09a31bd31e9af465e8daa0f3832cb50d2e060201cae76001c5fb1007fd8aa10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3703f8b577e5c6b7ed7e188941985f8df40756f972a4f80413a534acf57ab600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-19T23:29:13Z",
    "title_canon_sha256": "f509eb1dd34272c55b9996706fbd7369057568afb4733a0d053779305f1ac7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06323",
    "kind": "arxiv",
    "version": 1
  }
}