Pith Number

pith:O5K6EYU6

pith:2018:O5K6EYU6B5Z3EWJQFSQLJVTJQM

not attested not anchored not stored refs pending

Edge-Preserving Piecewise Linear Image Smoothing Using Piecewise Constant Filters

Chunhua Shen, Jie Yang, Wei Liu, Wei Xu, Xiaogang Chen, Xiaolin Huang

arxiv:1801.06928 v1 · 2018-01-22 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5K6EYU6B5Z3EWJQFSQLJVTJQM}

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	2026-05-18T00:25:22.789165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7755e2629e0f73b259302ca0b4d66983298b81d93f6667b6663bf5f20a867e47

Aliases

arxiv: 1801.06928 · arxiv_version: 1801.06928v1 · doi: 10.48550/arxiv.1801.06928 · pith_short_12: O5K6EYU6B5Z3 · pith_short_16: O5K6EYU6B5Z3EWJQ · pith_short_8: O5K6EYU6

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/O5K6EYU6B5Z3EWJQFSQLJVTJQM \
  | 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: 7755e2629e0f73b259302ca0b4d66983298b81d93f6667b6663bf5f20a867e47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "592ceaf5183cb74b5b791e6a3538c06339daa522770a12d52fa27f22bed279a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2018-01-22T01:18:06Z",
    "title_canon_sha256": "a11a9c8152f962c79630fb26db9ae78707079b6bf0cf5bbb577217c05cfa82ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06928",
    "kind": "arxiv",
    "version": 1
  }
}