Pith Number

pith:K4IDVHAV

pith:2017:K4IDVHAVQOVF7C66UGABPS4RMJ

not attested not anchored not stored refs pending

Realtime Profiling of Fine-Grained Air Quality Index Distribution using UAV Sensing

Kaigui Bian, Lingyang Song, Yuzhe Yang, Zhu Han, Zijie Zheng

arxiv:1711.02821 v1 · 2017-11-08 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4IDVHAVQOVF7C66UGABPS4RMJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:31:01.655084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57103a9c1583aa5f8bdea18017cb9162658ce36dfd447d6180aed5e26b41be20

Aliases

arxiv: 1711.02821 · arxiv_version: 1711.02821v1 · doi: 10.48550/arxiv.1711.02821 · pith_short_12: K4IDVHAVQOVF · pith_short_16: K4IDVHAVQOVF7C66 · pith_short_8: K4IDVHAV

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/K4IDVHAVQOVF7C66UGABPS4RMJ \
  | 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: 57103a9c1583aa5f8bdea18017cb9162658ce36dfd447d6180aed5e26b41be20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9958abf1746e4d9bf74a7daa7fad7d717b3f8fead7dd00378913120354260787",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-11-08T04:11:08Z",
    "title_canon_sha256": "449fdf905c21f57c3be26345115a55682d12c1663d1e2fe623ca2144b92ca3f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02821",
    "kind": "arxiv",
    "version": 1
  }
}