Pith Number

pith:K2BRGV3T

pith:2012:K2BRGV3TZJRIGNKK4D5F6FFW6E

not attested not anchored not stored refs pending

A Multi-Orientation Analysis Approach to Retinal Vessel Tracking

Bart ter Haar Romeny, Erik Bekkers, Remco Duits, Tos Berendschot

arxiv:1212.3530 v5 · 2012-12-14 · 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{K2BRGV3TZJRIGNKK4D5F6FFW6E}

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	2026-05-18T02:19:25.944085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5683135773ca6283354ae0fa5f14b6f134064087281af27e12884e4c6392f415

Aliases

arxiv: 1212.3530 · arxiv_version: 1212.3530v5 · doi: 10.48550/arxiv.1212.3530 · pith_short_12: K2BRGV3TZJRI · pith_short_16: K2BRGV3TZJRIGNKK · pith_short_8: K2BRGV3T

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/K2BRGV3TZJRIGNKK4D5F6FFW6E \
  | 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: 5683135773ca6283354ae0fa5f14b6f134064087281af27e12884e4c6392f415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1052c5c5b841315bb24dee808b27fe349548a3a775a7c6b53debeab7d4a3a688",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-12-14T17:04:03Z",
    "title_canon_sha256": "ca3d42d4a28c324f24273ec7fc918336cb1104ea433a75f71ce63b20df8b415d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3530",
    "kind": "arxiv",
    "version": 5
  }
}