Pith Number

pith:GLWUGOIC

pith:2019:GLWUGOIC5B6X5AIFXV7VCHQJPS

not attested not anchored not stored refs pending

Multivariate spectral downscaling for PM2.5 species

Brian J Reich, Howard H Chang, James A Mulholland, Yawen Guan

arxiv:1909.03816 v1 · 2019-09-05 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLWUGOIC5B6X5AIFXV7VCHQJPS}

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	2026-07-05T00:03:08.836855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ed433902e87d7e8105bd7f511e097cb067881da883991da52e8e31fb6f9bd0

Aliases

arxiv: 1909.03816 · arxiv_version: 1909.03816v1 · doi: 10.48550/arxiv.1909.03816 · pith_short_12: GLWUGOIC5B6X · pith_short_16: GLWUGOIC5B6X5AIF · pith_short_8: GLWUGOIC

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/GLWUGOIC5B6X5AIFXV7VCHQJPS \
  | 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: 32ed433902e87d7e8105bd7f511e097cb067881da883991da52e8e31fb6f9bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d34b5597ec9238d917813c4991cae8fbf3bc7403f8eaf8770a1110163d3cba",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-09-05T20:36:44Z",
    "title_canon_sha256": "64614cd8725b0b87a95e96757b0dd1df013053b3ed99c758d3e2a7c9bca57a35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03816",
    "kind": "arxiv",
    "version": 1
  }
}