Pith Number

pith:LH2HZZGE

pith:2018:LH2HZZGEFG65VOW5WATUOFF4IO

not attested not anchored not stored refs pending

Real-time and Seamless Monitoring of Ground-level PM2.5 Using Satellite Remote Sensing

Chengyue Zhang, Huanfeng Shen, Liangpei Zhang, Qiangqiang Yuan, Tongwen Li

arxiv:1803.03409 v2 · 2018-03-09 · 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{LH2HZZGEFG65VOW5WATUOFF4IO}

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	2026-05-18T00:14:46.102275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f47ce4c429bddabaddb0274714bc43b6e47b2a6acd1101b1d3c38978bb71db

Aliases

arxiv: 1803.03409 · arxiv_version: 1803.03409v2 · doi: 10.48550/arxiv.1803.03409 · pith_short_12: LH2HZZGEFG65 · pith_short_16: LH2HZZGEFG65VOW5 · pith_short_8: LH2HZZGE

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/LH2HZZGEFG65VOW5WATUOFF4IO \
  | 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: 59f47ce4c429bddabaddb0274714bc43b6e47b2a6acd1101b1d3c38978bb71db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804f8fea7c7bf64dccbc160cdb012da3183deae0adfc6060adc17ee6694ab008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-03-09T08:04:00Z",
    "title_canon_sha256": "5a6b5776adb876488ec5eb3644fba71de534a4322fe96e73ae10ea7c6b555788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03409",
    "kind": "arxiv",
    "version": 2
  }
}