Pith Number

pith:I6QPBCYM

pith:2017:I6QPBCYM2I2NB2BJMBCHWERVNY

not attested not anchored not stored refs pending

Estimating ground-level PM2.5 by fusing satellite and station observations: A geo-intelligent deep learning approach

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

arxiv:1707.03558 v1 · 2017-07-12 · 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{I6QPBCYM2I2NB2BJMBCHWERVNY}

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	2026-05-18T00:24:52.226963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a0f08b0cd234d0e82960447b12356e22263186afc24df8d50fd4d5a0c3259b

Aliases

arxiv: 1707.03558 · arxiv_version: 1707.03558v1 · doi: 10.48550/arxiv.1707.03558 · pith_short_12: I6QPBCYM2I2N · pith_short_16: I6QPBCYM2I2NB2BJ · pith_short_8: I6QPBCYM

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/I6QPBCYM2I2NB2BJMBCHWERVNY \
  | 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: 47a0f08b0cd234d0e82960447b12356e22263186afc24df8d50fd4d5a0c3259b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fd8b58e16be8caee96fc98a679e22b06ae79173867a54fbe64b8101e0bee885",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2017-07-12T06:29:57Z",
    "title_canon_sha256": "7508e9c390c08ab2c168e8e6687ffabcb9b8779078e632b05e5aecd5334e19a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03558",
    "kind": "arxiv",
    "version": 1
  }
}