Pith Number

pith:WUDE36R2

pith:2025:WUDE36R25K45DQXCXSZYZKBC2D

not attested not anchored not stored refs pending

Estimating Musical Surprisal in Audio

Gerhard Widmer, Giorgia Cantisani, Mathias Rose Bjare, Stefan Lattner

arxiv:2501.07474 v1 · 2025-01-13 · cs.SD · cs.AI · 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{WUDE36R25K45DQXCXSZYZKBC2D}

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	2026-07-05T10:00:28.936325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5064dfa3aeab9d1c2e2bcb38ca822d0d6e0a9f6316e74c7a5f8b16444f0e8fe

Aliases

arxiv: 2501.07474 · arxiv_version: 2501.07474v1 · doi: 10.48550/arxiv.2501.07474 · pith_short_12: WUDE36R25K45 · pith_short_16: WUDE36R25K45DQXC · pith_short_8: WUDE36R2

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/WUDE36R25K45DQXCXSZYZKBC2D \
  | 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: b5064dfa3aeab9d1c2e2bcb38ca822d0d6e0a9f6316e74c7a5f8b16444f0e8fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a59a8e8ba0b6df619a57dbcb3d78cadad743316109900184e3177c678c3da96",
    "cross_cats_sorted": [
      "cs.AI",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2025-01-13T16:46:45Z",
    "title_canon_sha256": "e688c13c5993e85d624b7c29e255693c9c9eb1c3d1f0488b12cfbc397c942d35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07474",
    "kind": "arxiv",
    "version": 1
  }
}