Pith Number

pith:Z7EPL5WY

pith:2022:Z7EPL5WY2EC2G2X7XMAV3JHLSG

not attested not anchored not stored refs pending

Inferring Pitch from Coarse Spectral Features

Danni Ma, Mark Liberman, Neville Ryant

arxiv:2204.04579 v2 · 2022-04-10 · cs.SD · 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{Z7EPL5WY2EC2G2X7XMAV3JHLSG}

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	2026-07-05T05:24:36.388793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc8f5f6d8d105a36affbb015da4eb91ae4cf8cf5d0597d0a6f911b1c1a2df5e

Aliases

arxiv: 2204.04579 · arxiv_version: 2204.04579v2 · doi: 10.48550/arxiv.2204.04579 · pith_short_12: Z7EPL5WY2EC2 · pith_short_16: Z7EPL5WY2EC2G2X7 · pith_short_8: Z7EPL5WY

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/Z7EPL5WY2EC2G2X7XMAV3JHLSG \
  | 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: cfc8f5f6d8d105a36affbb015da4eb91ae4cf8cf5d0597d0a6f911b1c1a2df5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecb8a1a25c7df7ce32a1973f3de1d5acf010f653d1ac47f45cda19c35d332738",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-04-10T02:13:03Z",
    "title_canon_sha256": "4f83ff0b41db1a747889a9d8217fb8525f302645d8e074bd3bec3e930200a338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04579",
    "kind": "arxiv",
    "version": 2
  }
}