Pith Number

pith:IVHUWGW7

pith:2011:IVHUWGW7GMB3QEJHAGVDL6LIGG

not attested not anchored not stored refs pending

An Entropy Based Method for Local Time-Adaptation of the Spectrogram

A. R\"obel, M. Liuni, M. Romito, X. Rodet

arxiv:1109.6314 v1 · 2011-09-27 · 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{IVHUWGW7GMB3QEJHAGVDL6LIGG}

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	2026-05-18T04:12:02.868264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454f4b1adf3303b8112701aa35f96831bc56097cac3e5c38eb886fc918a17027

Aliases

arxiv: 1109.6314 · arxiv_version: 1109.6314v1 · doi: 10.48550/arxiv.1109.6314 · pith_short_12: IVHUWGW7GMB3 · pith_short_16: IVHUWGW7GMB3QEJH · pith_short_8: IVHUWGW7

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/IVHUWGW7GMB3QEJHAGVDL6LIGG \
  | 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: 454f4b1adf3303b8112701aa35f96831bc56097cac3e5c38eb886fc918a17027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9279be88fe449481661d65a1c42f7c9d8500a90440fa8903fcda0440a0d52629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2011-09-27T08:32:50Z",
    "title_canon_sha256": "95e98d12a696495830b4c1102a99c1f1b25af85120a51340eb0042be7fcdf15f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6314",
    "kind": "arxiv",
    "version": 1
  }
}