Pith Number

pith:2R23W2CT

pith:2019:2R23W2CTBFIQHPIYQ3LFJD7PRD

not attested not anchored not stored refs pending

Data-driven design of perfect reconstruction filterbank for DNN-based sound source enhancement

Daiki Takeuchi, Kohei Yatabe, Noboru Harada, Yasuhiro Oikawa, Yuma Koizumi

arxiv:1903.08876 v1 · 2019-03-21 · eess.AS · 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{2R23W2CTBFIQHPIYQ3LFJD7PRD}

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	2026-05-17T23:50:43.687347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d475bb6853095103bd1886d6548fef88cb8d6ab6edb8d8edc0515e036a1ec1ce

Aliases

arxiv: 1903.08876 · arxiv_version: 1903.08876v1 · doi: 10.48550/arxiv.1903.08876 · pith_short_12: 2R23W2CTBFIQ · pith_short_16: 2R23W2CTBFIQHPIY · pith_short_8: 2R23W2CT

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/2R23W2CTBFIQHPIYQ3LFJD7PRD \
  | 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: d475bb6853095103bd1886d6548fef88cb8d6ab6edb8d8edc0515e036a1ec1ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08a9379d7471bba1782628e88f34aef8f2ded7a568b38ffe833545908e5e88e4",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2019-03-21T08:50:12Z",
    "title_canon_sha256": "c9d88f15b06e07b554d38caf3344d65a6b0bf011e7c15e97d0805fd343721074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08876",
    "kind": "arxiv",
    "version": 1
  }
}