Pith Number

pith:LXOJPNUS

pith:2018:LXOJPNUSJDNF3L6FGAD3W52HTH

not attested not anchored not stored refs pending

Ischemic Stroke Lesion Segmentation in CT Perfusion Scans using Pyramid Pooling and Focal Loss

Jonathan Rubin, S. Mazdak Abulnaga

arxiv:1811.01085 v1 · 2018-11-02 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXOJPNUSJDNF3L6FGAD3W52HTH}

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	2026-05-18T00:01:37.143524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ddc97b69248da5dafc53007bb774799f29d3b3dec1b0f47861005f87e5bf622

Aliases

arxiv: 1811.01085 · arxiv_version: 1811.01085v1 · doi: 10.48550/arxiv.1811.01085 · pith_short_12: LXOJPNUSJDNF · pith_short_16: LXOJPNUSJDNF3L6F · pith_short_8: LXOJPNUS

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/LXOJPNUSJDNF3L6FGAD3W52HTH \
  | 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: 5ddc97b69248da5dafc53007bb774799f29d3b3dec1b0f47861005f87e5bf622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f243b7efb494a1e0bf1d16630942955be73fda2e876673556a8d3b83bcd1d4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-02T20:55:20Z",
    "title_canon_sha256": "b02f44fc81ebfe2e8cbedaa2ea0bcc7368dbce2d9e9ea2adbe8d5d86408a8891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01085",
    "kind": "arxiv",
    "version": 1
  }
}