Pith Number

pith:VMTQ4PYS

pith:2025:VMTQ4PYSCV5JUBZKNNKOUYBW4L

not attested not anchored not stored refs pending

Fundamentals of Data-Driven Approaches to Acoustic Signal Detection, Filtering, and Transformation

Chao Pan

arxiv:2508.21470 v1 · 2025-08-29 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMTQ4PYSCV5JUBZKNNKOUYBW4L}

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	2026-07-05T12:01:35.352598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab270e3f12157a9a072a6b54ea6036e2ec97c8e5f7be65b9a0bcb91b6e6d75f6

Aliases

arxiv: 2508.21470 · arxiv_version: 2508.21470v1 · doi: 10.48550/arxiv.2508.21470 · pith_short_12: VMTQ4PYSCV5J · pith_short_16: VMTQ4PYSCV5JUBZK · pith_short_8: VMTQ4PYS

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/VMTQ4PYSCV5JUBZKNNKOUYBW4L \
  | 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: ab270e3f12157a9a072a6b54ea6036e2ec97c8e5f7be65b9a0bcb91b6e6d75f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ce17c0acd5527966205ac6b8a0b77b5a1f13b255befd7b4a26656b8b587344",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-08-29T09:50:05Z",
    "title_canon_sha256": "4341299696194b424234dac056fc40284a6a57575e19ac04b05d015a2d355eb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21470",
    "kind": "arxiv",
    "version": 1
  }
}