Pith Number

pith:D2KEYI47

pith:2015:D2KEYI47VVUW7HTRM2VSJALFQ2

not attested not anchored not stored refs pending

Sensor Deployment for Air Pollution Monitoring Using Public Transportation System

Albert Y.S. Lam, James J.Q. Yu, Victor O.K. Li

arxiv:1502.00195 v1 · 2015-02-01 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2KEYI47VVUW7HTRM2VSJALFQ2}

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	2026-05-18T02:28:06.494837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e944c239fad696f9e7166ab24816586bc4303c73c060bb93f5144d8292d9ce4

Aliases

arxiv: 1502.00195 · arxiv_version: 1502.00195v1 · doi: 10.48550/arxiv.1502.00195 · pith_short_12: D2KEYI47VVUW · pith_short_16: D2KEYI47VVUW7HTR · pith_short_8: D2KEYI47

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/D2KEYI47VVUW7HTRM2VSJALFQ2 \
  | 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: 1e944c239fad696f9e7166ab24816586bc4303c73c060bb93f5144d8292d9ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e339df66a6c3d2582d055977bab4797a97c2e37715641214b3ce76b7bee7ea2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-02-01T04:48:18Z",
    "title_canon_sha256": "95df07cfe2609c23b15d50b6f48c0208962a61a7442c3d3eee305f59d6495483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00195",
    "kind": "arxiv",
    "version": 1
  }
}