Pith Number

pith:NST2X7AB

pith:2018:NST2X7ABEXMLNXS6BH6M7TIWG3

not attested not anchored not stored refs pending

Time-Frequency Audio Features for Speech-Music Classification

Mrinmoy Bhattacharjee, Prithwijit Guha, S.R.M. Prasanna

arxiv:1811.01222 v1 · 2018-11-03 · 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{NST2X7ABEXMLNXS6BH6M7TIWG3}

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	2026-05-18T00:01:34.962341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca7abfc0125d8b6de5e09fccfcd1636db59cabb48ca0206e593267f5cbd7681

Aliases

arxiv: 1811.01222 · arxiv_version: 1811.01222v1 · doi: 10.48550/arxiv.1811.01222 · pith_short_12: NST2X7ABEXML · pith_short_16: NST2X7ABEXMLNXS6 · pith_short_8: NST2X7AB

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/NST2X7ABEXMLNXS6BH6M7TIWG3 \
  | 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: 6ca7abfc0125d8b6de5e09fccfcd1636db59cabb48ca0206e593267f5cbd7681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a65da46a7fa39837aa5acc6bd30c1daed84c599b9fe429f5723cccbaf52d90ae",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-11-03T14:07:41Z",
    "title_canon_sha256": "75c7c9368ba9fb35ab8980a2849b2db43b4a95be8218c419dfdfea98a89181c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01222",
    "kind": "arxiv",
    "version": 1
  }
}