Pith Number

pith:HUZFF5VS

pith:2018:HUZFF5VS6PTYWVVBFQGSWCMDKV

not attested not anchored not stored refs pending

Matrix Completion With Variational Graph Autoencoders: Application in Hyperlocal Air Quality Inference

Angel Lopez Aguirre, Duc Minh Nguyen, Evaggelia Tsiligianni, Frank Pasveer, Nikos Deligiannis, Tien Huu Do, Valerio Panzica La Manna, Wilfried Philips

arxiv:1811.01662 v1 · 2018-11-05 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUZFF5VS6PTYWVVBFQGSWCMDKV}

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	2026-05-18T00:01:33.611134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d3252f6b2f3e78b56a12c0d2b0983556c493681fbda8658b9cffa6f69501d4f

Aliases

arxiv: 1811.01662 · arxiv_version: 1811.01662v1 · doi: 10.48550/arxiv.1811.01662 · pith_short_12: HUZFF5VS6PTY · pith_short_16: HUZFF5VS6PTYWVVB · pith_short_8: HUZFF5VS

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/HUZFF5VS6PTYWVVBFQGSWCMDKV \
  | 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: 3d3252f6b2f3e78b56a12c0d2b0983556c493681fbda8658b9cffa6f69501d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b489048b0e6e82c0695d59c4fb045e8c0651e2256bef4ebf3059109b5231a9",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-05T13:18:32Z",
    "title_canon_sha256": "60a3e8d52973e26457159af665659854abcdee8c5fb3af715c88b383fb32fd3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01662",
    "kind": "arxiv",
    "version": 1
  }
}