Pith Number

pith:ILNGT4QY

pith:2018:ILNGT4QYZNKUXGCKNL2JJPYAWO

not attested not anchored not stored refs pending

Combining Satellite Imagery and Numerical Model Simulation to Estimate Ambient Air Pollution: An Ensemble Averaging Approach

Heather Holmes, Howard H. Chang, Nancy Murray, Yang Liu

arxiv:1802.03077 v1 · 2018-02-08 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILNGT4QYZNKUXGCKNL2JJPYAWO}

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	2026-05-18T00:24:02.099942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42da69f218cb554b984a6af494bf00b38ba6e611417908db5d387927551a41cb

Aliases

arxiv: 1802.03077 · arxiv_version: 1802.03077v1 · doi: 10.48550/arxiv.1802.03077 · pith_short_12: ILNGT4QYZNKU · pith_short_16: ILNGT4QYZNKUXGCK · pith_short_8: ILNGT4QY

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/ILNGT4QYZNKUXGCKNL2JJPYAWO \
  | 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: 42da69f218cb554b984a6af494bf00b38ba6e611417908db5d387927551a41cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30b479e1464c1a300eee30dd48b8e03005dc2f1648f9359649c4d35e5c5656b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-02-08T23:22:30Z",
    "title_canon_sha256": "a419525fcc2e70aeb2869e9ef807a571877261123e660ece0431d4f7e4b07d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03077",
    "kind": "arxiv",
    "version": 1
  }
}