Pith Number

pith:WEIYYIO7

pith:2020:WEIYYIO7QVNL4U4M5BFNOHCT7Y

not attested not anchored not stored refs pending

Medical Image Segmentation via Unsupervised Convolutional Neural Network

Eric C. Frey, Junyu Chen

arxiv:2001.10155 v4 · 2020-01-28 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEIYYIO7QVNL4U4M5BFNOHCT7Y}

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	2026-07-05T02:39:40.612595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1118c21df855abe538ce84ad71c53fe2c1efbd7d69019055829d87c78c150af

Aliases

arxiv: 2001.10155 · arxiv_version: 2001.10155v4 · doi: 10.48550/arxiv.2001.10155 · pith_short_12: WEIYYIO7QVNL · pith_short_16: WEIYYIO7QVNL4U4M · pith_short_8: WEIYYIO7

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/WEIYYIO7QVNL4U4M5BFNOHCT7Y \
  | 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: b1118c21df855abe538ce84ad71c53fe2c1efbd7d69019055829d87c78c150af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b853058bb7eeca3a27517169c07ca57ca25b3abfda4f98ca2d0639b46be39807",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-01-28T03:56:42Z",
    "title_canon_sha256": "6193eabf99a4bd017d5e10705b0e7e922a1d2506ed8747507f4351977455f28e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10155",
    "kind": "arxiv",
    "version": 4
  }
}