Pith Number

pith:5U7M4DTV

pith:2016:5U7M4DTVOHQHSV7RP7AHQLDU2X

not attested not anchored not stored refs pending

Retinal Vessel Segmentation Using A New Topological Method

Martin Brooks

arxiv:1608.01339 v1 · 2016-08-03 · cs.CG · 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{5U7M4DTVOHQHSV7RP7AHQLDU2X}

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	2026-05-18T01:09:55.744146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3ece0e7571e07957f17fc0782c74d5d8d474db0e7601bfc54c842c2a034d1f

Aliases

arxiv: 1608.01339 · arxiv_version: 1608.01339v1 · doi: 10.48550/arxiv.1608.01339 · pith_short_12: 5U7M4DTVOHQH · pith_short_16: 5U7M4DTVOHQHSV7R · pith_short_8: 5U7M4DTV

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/5U7M4DTVOHQHSV7RP7AHQLDU2X \
  | 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: ed3ece0e7571e07957f17fc0782c74d5d8d474db0e7601bfc54c842c2a034d1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d31f49b72c9b58f5ee8b141923c277bef1aa87dc47d5cf947b8a74049af991d",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-08-03T20:26:22Z",
    "title_canon_sha256": "251683817f2fe68ceaf43b968c0deb2fd039af09aeee531a3c41b2087311c17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01339",
    "kind": "arxiv",
    "version": 1
  }
}