Pith Number

pith:44QQPHGO

pith:2026:44QQPHGOGLQE4ETSC2VNZYEY2D

not attested not anchored not stored refs pending

Multi-Channel Replay Speech Detection using Acoustic Maps

Michael Neri, Tuomas Virtanen

arxiv:2602.16399 v2 · 2026-02-18 · eess.AS · cs.LG · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44QQPHGOGLQE4ETSC2VNZYEY2D}

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	2026-05-21T01:05:16.448812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e721079cce32e04e127216aadce098d0c627b1f6f2b81a1da381afe5a8b641dd

Aliases

arxiv: 2602.16399 · arxiv_version: 2602.16399v2 · doi: 10.48550/arxiv.2602.16399 · pith_short_12: 44QQPHGOGLQE · pith_short_16: 44QQPHGOGLQE4ETS · pith_short_8: 44QQPHGO

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/44QQPHGOGLQE4ETSC2VNZYEY2D \
  | 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: e721079cce32e04e127216aadce098d0c627b1f6f2b81a1da381afe5a8b641dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a1fd652d5d3138e69ea5b25df7c162678fb6bbf5c0a4ff392f885c8fd5d42b4",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-02-18T12:18:45Z",
    "title_canon_sha256": "38124e5c0ba115f86631ff36fa82b56d8822ae5c8a94cb8cfbfd512f0d0474be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.16399",
    "kind": "arxiv",
    "version": 2
  }
}