Pith Number

pith:ZDKYQ6MP

pith:2022:ZDKYQ6MPKYRBM3ZHTLB6TKWV63

not attested not anchored not stored refs pending

Air Pollution Hotspot Detection and Source Feature Analysis using Cross-domain Urban Data

Michael Hannigan, Qin Lv, Yawen Zhang

arxiv:2211.08400 v1 · 2022-11-15 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDKYQ6MPKYRBM3ZHTLB6TKWV63}

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	2026-07-05T05:16:28.943333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d588798f5622166f279ac3e9aad5f6e18a575fd6f32bd7891f720b25e945e7

Aliases

arxiv: 2211.08400 · arxiv_version: 2211.08400v1 · doi: 10.48550/arxiv.2211.08400 · pith_short_12: ZDKYQ6MPKYRB · pith_short_16: ZDKYQ6MPKYRBM3ZH · pith_short_8: ZDKYQ6MP

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/ZDKYQ6MPKYRBM3ZHTLB6TKWV63 \
  | 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: c8d588798f5622166f279ac3e9aad5f6e18a575fd6f32bd7891f720b25e945e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be201ae0b341ea5a7cff2c05533367b5a6a9d5244e3dd4838fc43443cc22dc00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-11-15T18:44:03Z",
    "title_canon_sha256": "9108668aa7792f2e794ec0707ae7430bde70e6bde410c7952b7320625c69387c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.08400",
    "kind": "arxiv",
    "version": 1
  }
}