Pith Number

pith:UQ4TSW76

pith:2019:UQ4TSW764ITSI6SMYOKPFOQF2K

not attested not anchored not stored refs pending

Boundary Learning by Using Weighted Propagation in Convolution Network

Boyuan Ma, Chuni Liu, Hao Wang, Jiahao Chen, Weihua Xue, Wei Liu, Xiaojuan Ban, Yu Guo

arxiv:1905.09226 v3 · 2019-05-22 · 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{UQ4TSW764ITSI6SMYOKPFOQF2K}

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	2026-07-05T11:34:38.512189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a439395bfee227247a4cc394f2ba05d29c5ac76ba254a553ef185d217bef7b6b

Aliases

arxiv: 1905.09226 · arxiv_version: 1905.09226v3 · doi: 10.48550/arxiv.1905.09226 · pith_short_12: UQ4TSW764ITS · pith_short_16: UQ4TSW764ITSI6SM · pith_short_8: UQ4TSW76

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/UQ4TSW764ITSI6SMYOKPFOQF2K \
  | 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: a439395bfee227247a4cc394f2ba05d29c5ac76ba254a553ef185d217bef7b6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "075ca61e5b62dce0617cea9f92ef16e8ec3c2dea53cc1249b824e4f52501eea8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-22T16:23:23Z",
    "title_canon_sha256": "c52726a0cfff3479d910f0d1eb384126b076f446fc999f805d61f8ca89fb7fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09226",
    "kind": "arxiv",
    "version": 3
  }
}