Pith Number

pith:BDPMB4FI

pith:2021:BDPMB4FIUJBSYZ3V62M7L7KFPF

not attested not anchored not stored refs pending

A Lumen Segmentation Method in Ureteroscopy Images based on a Deep Residual U-Net architecture

Aldo Marzullo, Benoit Rosa, Elena De Momi, Jorge F. Lazo, Michel de Mathelin, Michele Catellani, Sara Moccia

arxiv:2101.05021 v1 · 2021-01-13 · eess.IV · 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{BDPMB4FIUJBSYZ3V62M7L7KFPF}

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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	2026-07-05T02:06:37.186711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08dec0f0a8a2432c6775f699f5fd45796a3baeae5cae7a9984e180be5b511a25

Aliases

arxiv: 2101.05021 · arxiv_version: 2101.05021v1 · doi: 10.48550/arxiv.2101.05021 · pith_short_12: BDPMB4FIUJBS · pith_short_16: BDPMB4FIUJBSYZ3V · pith_short_8: BDPMB4FI

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/BDPMB4FIUJBSYZ3V62M7L7KFPF \
  | 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: 08dec0f0a8a2432c6775f699f5fd45796a3baeae5cae7a9984e180be5b511a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbcf344ee4012421176e2a5a296795ca91232ce3120bc95f08ac5854f0ad4eca",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-01-13T11:41:39Z",
    "title_canon_sha256": "c7c0d8762abfb438c2ff3e30b9ff93ab1d3b68041f3c1a9c356f444f10758a3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05021",
    "kind": "arxiv",
    "version": 1
  }
}