Pith Number

pith:66TXB736

pith:2018:66TXB736T2LA4W7TUCNQWUJKZL

not attested not anchored not stored refs pending

A Bayesian Downscaler Model to Estimate Daily PM2.5 levels in the Continental US

Howard Chang, Jessica Belle, Lance Waller, Xuefei Hu, Yang Liu, Yikai Wang

arxiv:1808.02190 v1 · 2018-08-07 · 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{66TXB736T2LA4W7TUCNQWUJKZL}

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	2026-05-18T00:05:50.421662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a770ff7e9e960e5bf3a09b0b512acae7575881e99b56991cbb6bc9bd76bb35

Aliases

arxiv: 1808.02190 · arxiv_version: 1808.02190v1 · doi: 10.48550/arxiv.1808.02190 · pith_short_12: 66TXB736T2LA · pith_short_16: 66TXB736T2LA4W7T · pith_short_8: 66TXB736

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/66TXB736T2LA4W7TUCNQWUJKZL \
  | 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: f7a770ff7e9e960e5bf3a09b0b512acae7575881e99b56991cbb6bc9bd76bb35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "575be0c63f1a9f869250214d1a799cc08eb92fbd0f7f41e642dd61387e41e2a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-08-07T03:08:25Z",
    "title_canon_sha256": "aee966ba8c0ab25186bcaf247e03fdb360020a4935275df6db98a76bbe8767ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02190",
    "kind": "arxiv",
    "version": 1
  }
}