Pith Number

pith:JUDHSJHQ

pith:2026:JUDHSJHQPRSBOTL6XESKEDKGJ5

not attested not anchored not stored refs pending

From Deterministic to Generative Deep Learning for Urban Air Quality Reconstruction from Sparse Observations

Abhishek A.Sabnis, Karine Sartelet, Lya Lugon, Marc Bocquet, Mihai Mitrea, Shupeng Zhu, Sibo Cheng, Xiaoyuan Cheng

arxiv:2607.25687 v1 · 2026-07-28 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUDHSJHQPRSBOTL6XESKEDKGJ5}

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	2026-07-29T01:25:56.943138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d067924f07c64174d7eb924a20d464f795470ec08a24313b48c075bed647b66

Aliases

arxiv: 2607.25687 · arxiv_version: 2607.25687v1 · doi: 10.48550/arxiv.2607.25687 · pith_short_12: JUDHSJHQPRSB · pith_short_16: JUDHSJHQPRSBOTL6 · pith_short_8: JUDHSJHQ

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/JUDHSJHQPRSBOTL6XESKEDKGJ5 \
  | 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: 4d067924f07c64174d7eb924a20d464f795470ec08a24313b48c075bed647b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f7e144324430b9b8dd37a6e089114bed7f73a97f4251b9d0a346221bd45717c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-28T13:03:09Z",
    "title_canon_sha256": "396644038d4a84db3561f1d26f5902c8b0e1cf7803d07c6b8f563cdb9aded26f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25687",
    "kind": "arxiv",
    "version": 1
  }
}