Pith Number

pith:2DA6XDLK

pith:2015:2DA6XDLK6DP6CDTUKW2VBXOYZT

not attested not anchored not stored refs pending

Using User Generated Online Photos to Estimate and Monitor Air Pollution in Major Cities

Jiebo Luo, Jifei Huang, Yuncheng Li

arxiv:1508.05028 v1 · 2015-08-20 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DA6XDLK6DP6CDTUKW2VBXOYZT}

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	2026-05-18T01:34:59.902178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c1eb8d6af0dfe10e7455b550ddd8ccd851a4c2a13a59278df77648bbb135e7

Aliases

arxiv: 1508.05028 · arxiv_version: 1508.05028v1 · doi: 10.48550/arxiv.1508.05028 · pith_short_12: 2DA6XDLK6DP6 · pith_short_16: 2DA6XDLK6DP6CDTU · pith_short_8: 2DA6XDLK

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/2DA6XDLK6DP6CDTUKW2VBXOYZT \
  | 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: d0c1eb8d6af0dfe10e7455b550ddd8ccd851a4c2a13a59278df77648bbb135e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09590c939ae375d62204028df8ff7a08621a62fbe77e497b35c007bb7ca644a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-08-20T16:20:35Z",
    "title_canon_sha256": "a5856ce58a2d42ccbda549e776c0eb1d0988be3add479014c5dbbb04a7e51c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05028",
    "kind": "arxiv",
    "version": 1
  }
}