Pith Number

pith:DMK2QRFP

pith:2025:DMK2QRFPKLZTOW6TBDLZR4BC5P

not attested not anchored not stored refs pending

Dense Air Pollution Estimation from Sparse in-situ Measurements and Satellite Data

Damian Borth, Linus Scheibenreif, Ruben Gonzalez Avil\'es

arxiv:2504.17039 v1 · 2025-04-23 · 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{DMK2QRFPKLZTOW6TBDLZR4BC5P}

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	2026-07-05T10:53:21.093893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b15a844af52f3375bd308d798f022ebed314d64aacefc4647d2143c8bab7fef

Aliases

arxiv: 2504.17039 · arxiv_version: 2504.17039v1 · doi: 10.48550/arxiv.2504.17039 · pith_short_12: DMK2QRFPKLZT · pith_short_16: DMK2QRFPKLZTOW6T · pith_short_8: DMK2QRFP

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/DMK2QRFPKLZTOW6TBDLZR4BC5P \
  | 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: 1b15a844af52f3375bd308d798f022ebed314d64aacefc4647d2143c8bab7fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beae704e82332b923e4ff74e193ce1c751741f5e982e2273c52d7b58b2284bfe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-23T18:38:16Z",
    "title_canon_sha256": "96ebec1f3045282281555ce689fd0ebfc9c0f34487afada2cd8f399cdbd9f92a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17039",
    "kind": "arxiv",
    "version": 1
  }
}