Pith Number

pith:4JMKFKE5

pith:2018:4JMKFKE5655BN4ZT5BNMHAXVCQ

not attested not anchored not stored refs pending

Depth Image Upsampling based on Guided Filter with Low Gradient Minimization

Hang Yang, Zhongbo Zhang

arxiv:1811.04620 v1 · 2018-11-12 · 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{4JMKFKE5655BN4ZT5BNMHAXVCQ}

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	2026-05-18T00:01:04.562899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e258a2a89df77a16f333e85ac382f5140e85d7f633ec459f3d6f48814426a584

Aliases

arxiv: 1811.04620 · arxiv_version: 1811.04620v1 · doi: 10.48550/arxiv.1811.04620 · pith_short_12: 4JMKFKE5655B · pith_short_16: 4JMKFKE5655BN4ZT · pith_short_8: 4JMKFKE5

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/4JMKFKE5655BN4ZT5BNMHAXVCQ \
  | 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: e258a2a89df77a16f333e85ac382f5140e85d7f633ec459f3d6f48814426a584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8638ca226fbdae8525f03a86443b6c0ff58073e1ab9b2ce14e15763428249101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-12T09:36:12Z",
    "title_canon_sha256": "3e396765fe74f0366e46cea725bf95ccde3256c06536a4a5e98f0e177311757f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04620",
    "kind": "arxiv",
    "version": 1
  }
}