Pith Number

pith:ZYCC3M3P

pith:2018:ZYCC3M3PGZQLFOVUEHWYBWZGHY

not attested not anchored not stored refs pending

Geographically and temporally weighted neural networks for satellite-based mapping of ground-level PM2.5

Huanfeng Shen, Liangpei Zhang, Qiangqiang Yuan, Tongwen Li

arxiv:1809.09860 v2 · 2018-09-26 · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZYCC3M3PGZQLFOVUEHWYBWZGHY}

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	2026-05-18T00:01:01.672630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce042db36f3660b2bab421ed80db263e0fab925ca64fb6480d088c1d06084737

Aliases

arxiv: 1809.09860 · arxiv_version: 1809.09860v2 · doi: 10.48550/arxiv.1809.09860 · pith_short_12: ZYCC3M3PGZQL · pith_short_16: ZYCC3M3PGZQLFOVU · pith_short_8: ZYCC3M3P

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/ZYCC3M3PGZQLFOVUEHWYBWZGHY \
  | 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: ce042db36f3660b2bab421ed80db263e0fab925ca64fb6480d088c1d06084737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72026589723843dcdc401d7aa08a6e48cf4f4f7416e5f533ec1886cf3624aa6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-09-26T09:17:06Z",
    "title_canon_sha256": "90455d1ffa3607c55526ac50546cb7277bf95e0783decd96cdde66ea867d30ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09860",
    "kind": "arxiv",
    "version": 2
  }
}