Pith Number

pith:BYRHFRGE

pith:2018:BYRHFRGEFJFZ5KVDNBEYSCHIKW

not attested not anchored not stored refs pending

Evaluation and comparison of MODIS Collection 6.1 aerosol optical depth against AERONET over regions in China with multifarious underlying surfaces

Huanfeng Shen, Liangpei Zhang, Li Zheng, Qiangqiang Yuan, Tongwen Li, Yuan Wang

arxiv:1809.02490 v1 · 2018-09-04 · 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{BYRHFRGEFJFZ5KVDNBEYSCHIKW}

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	2026-05-17T23:55:19.873181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2272c4c42a4b9eaaa368498908e855b31848969cafebf550e73e2fe4856fe6

Aliases

arxiv: 1809.02490 · arxiv_version: 1809.02490v1 · doi: 10.48550/arxiv.1809.02490 · pith_short_12: BYRHFRGEFJFZ · pith_short_16: BYRHFRGEFJFZ5KVD · pith_short_8: BYRHFRGE

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/BYRHFRGEFJFZ5KVDNBEYSCHIKW \
  | 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: 0e2272c4c42a4b9eaaa368498908e855b31848969cafebf550e73e2fe4856fe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb30cd0691378bee01ae888358b7b11c61039760c4b475c5b5f579d2815da614",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-09-04T08:47:30Z",
    "title_canon_sha256": "817015ea01eb719adc8ced162d8a354822513a26528cf9d0e1a12b917a646725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02490",
    "kind": "arxiv",
    "version": 1
  }
}