Pith Number

pith:6PMBUOKN

pith:2018:6PMBUOKNII6A47JJ5FEPRH4Z4C

not attested not anchored not stored refs pending

CU-Net: Coupled U-Nets

Dimitris N. Metaxas, Shijie Geng, Xi Peng, Yizhe Zhu, Zhiqiang Tang

arxiv:1808.06521 v1 · 2018-08-20 · 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{6PMBUOKNII6A47JJ5FEPRH4Z4C}

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	2026-05-18T00:07:44.629115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d81a394d423c0e7d29e948f89f99e09d87d1cb395f410e6aad6804271227a1

Aliases

arxiv: 1808.06521 · arxiv_version: 1808.06521v1 · doi: 10.48550/arxiv.1808.06521 · pith_short_12: 6PMBUOKNII6A · pith_short_16: 6PMBUOKNII6A47JJ · pith_short_8: 6PMBUOKN

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/6PMBUOKNII6A47JJ5FEPRH4Z4C \
  | 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: f3d81a394d423c0e7d29e948f89f99e09d87d1cb395f410e6aad6804271227a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a44cce2d379253d2562cab9525b2dac27a79157c76e4d3d0ae8d3671585910ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-20T15:45:26Z",
    "title_canon_sha256": "4ab81096671a51e78b97e760ed92d215fc7139587d55430de1bfe488cb904284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06521",
    "kind": "arxiv",
    "version": 1
  }
}