Pith Number

pith:AU27NYVS

pith:2016:AU27NYVSNOAPMWY4P65RP2J6G3

not attested not anchored not stored refs pending

Curvature Integration in a 5D Kernel for Extracting Vessel Connections in Retinal Images

Alessandro Sarti, Bart M. ter Haar Romeny, Giovanna Citti, Marta Favali, Samaneh Abbasi-Sureshjani

arxiv:1608.08049 v3 · 2016-08-29 · 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{AU27NYVSNOAPMWY4P65RP2J6G3}

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	2026-05-18T00:41:46.312871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0535f6e2b26b80f65b1c7fbb17e93e36fbdf22ad42f39ab3d4cbfb658eeeaa9c

Aliases

arxiv: 1608.08049 · arxiv_version: 1608.08049v3 · doi: 10.48550/arxiv.1608.08049 · pith_short_12: AU27NYVSNOAP · pith_short_16: AU27NYVSNOAPMWY4 · pith_short_8: AU27NYVS

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/AU27NYVSNOAPMWY4P65RP2J6G3 \
  | 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: 0535f6e2b26b80f65b1c7fbb17e93e36fbdf22ad42f39ab3d4cbfb658eeeaa9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2f29bfe7ee963efc43fd18879d95cc234fb23c433d78fd0b306c1ea49a44ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-29T13:57:58Z",
    "title_canon_sha256": "8c0f6afea10a74bcb1a563c48e4522df306ffddec805df05bbb9439bd1ec0f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08049",
    "kind": "arxiv",
    "version": 3
  }
}