Pith Number

pith:KQOAAX7Q

pith:2018:KQOAAX7QGUSGKU4X7NCDIQI22U

not attested not anchored not stored refs pending

Listening for Sirens: Locating and Classifying Acoustic Alarms in City Scenes

Letizia Marchegiani, Paul Newman

arxiv:1810.04989 v2 · 2018-10-11 · cs.SD · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQOAAX7QGUSGKU4X7NCDIQI22U}

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	2026-07-05T04:08:55.227853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541c005ff03524655397fb4434411ad521dbdd6dd3a6b2a403f1027e828a01f8

Aliases

arxiv: 1810.04989 · arxiv_version: 1810.04989v2 · doi: 10.48550/arxiv.1810.04989 · pith_short_12: KQOAAX7QGUSG · pith_short_16: KQOAAX7QGUSGKU4X · pith_short_8: KQOAAX7Q

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/KQOAAX7QGUSGKU4X7NCDIQI22U \
  | 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: 541c005ff03524655397fb4434411ad521dbdd6dd3a6b2a403f1027e828a01f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df306f5c8a6ebbe3e04eacded2a04a8dd6fe72accdb3d913fa61e0a426a9dcfd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-10-11T12:56:56Z",
    "title_canon_sha256": "f0bbf36f1be64ce06916853ec98662d85196e19cba99d18a6cdf003073525a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04989",
    "kind": "arxiv",
    "version": 2
  }
}