Pith Number

pith:55ENJDO4

pith:2016:55ENJDO4OKOZTAUD3TGDMLQIR7

not attested not anchored not stored refs pending

A Perceptually Motivated Filter Bank with Perfect Reconstruction for Audio Signal Processing

Nicki Holighaus, Peter Balazs, Thibaud Necciari, Zdenek Prusa

arxiv:1601.06652 v1 · 2016-01-25 · 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{55ENJDO4OKOZTAUD3TGDMLQIR7}

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	2026-05-18T01:22:03.990566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef48d48ddc729d998283dccc362e088fce5454ba874ebbf1b86ab68323e04f43

Aliases

arxiv: 1601.06652 · arxiv_version: 1601.06652v1 · doi: 10.48550/arxiv.1601.06652 · pith_short_12: 55ENJDO4OKOZ · pith_short_16: 55ENJDO4OKOZTAUD · pith_short_8: 55ENJDO4

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/55ENJDO4OKOZTAUD3TGDMLQIR7 \
  | 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: ef48d48ddc729d998283dccc362e088fce5454ba874ebbf1b86ab68323e04f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf0bec8bf1647d7a85e8835b61e73d23fcf6abaa5853079e54eb6a4d5f54698f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-01-25T16:13:37Z",
    "title_canon_sha256": "277e94cfcd808cee22a7ba3c7738e80eacf89eca16d03fcc5c09d9491dde618b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06652",
    "kind": "arxiv",
    "version": 1
  }
}