Pith Number

pith:XQF7BNIN

pith:2017:XQF7BNINBRH3RI5MFW5PTS3X2F

not attested not anchored not stored refs pending

An Improved Neural Segmentation Method Based on U-NET

Chenyang Xu, Mengxin Li

arxiv:1708.04747 v1 · 2017-08-16 · 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{XQF7BNINBRH3RI5MFW5PTS3X2F}

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	2026-05-18T00:37:58.027927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc0bf0b50d0c4fb8a3ac2dbaf9cb77d16c97b59a6ca91435d0b8962d88705afa

Aliases

arxiv: 1708.04747 · arxiv_version: 1708.04747v1 · doi: 10.48550/arxiv.1708.04747 · pith_short_12: XQF7BNINBRH3 · pith_short_16: XQF7BNINBRH3RI5M · pith_short_8: XQF7BNIN

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/XQF7BNINBRH3RI5MFW5PTS3X2F \
  | 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: bc0bf0b50d0c4fb8a3ac2dbaf9cb77d16c97b59a6ca91435d0b8962d88705afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4a8accda167299d3a1e8b42eb857bbe837f2cd109ae0d1b2787579666c9879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-16T02:17:59Z",
    "title_canon_sha256": "d3995bf7bfab0120e0152ef793b05813d972ffebabd880879c4c307082177da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04747",
    "kind": "arxiv",
    "version": 1
  }
}