Pith Number

pith:6U34HSY4

pith:2018:6U34HSY4HAME5JZLZKBD2YI2K3

not attested not anchored not stored refs pending

Image Smoothing via Unsupervised Learning

Baoquan Chen, David Wipf, Jiaolong Yang, Qingnan Fan, Xin Tong

arxiv:1811.02804 v1 · 2018-11-07 · 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{6U34HSY4HAME5JZLZKBD2YI2K3}

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	2026-05-18T00:01:20.718292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f537c3cb1c38184ea72bca823d611a56e694d8fd83209b71b2a48cd92444a424

Aliases

arxiv: 1811.02804 · arxiv_version: 1811.02804v1 · doi: 10.48550/arxiv.1811.02804 · pith_short_12: 6U34HSY4HAME · pith_short_16: 6U34HSY4HAME5JZL · pith_short_8: 6U34HSY4

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/6U34HSY4HAME5JZLZKBD2YI2K3 \
  | 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: f537c3cb1c38184ea72bca823d611a56e694d8fd83209b71b2a48cd92444a424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3ec35f5d75abdbec7b6695de99cf8541c1acd75275773472dd69bc64996933e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-07T09:08:05Z",
    "title_canon_sha256": "adf6572fa713427c7dbcfaddb40c32467c2fcadcb4a6b1bb554680d359cabc2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02804",
    "kind": "arxiv",
    "version": 1
  }
}