Pith Number

pith:Y2RMFO7F

pith:2021:Y2RMFO7FB3G6ICDTAHW6BDWH62

not attested not anchored not stored refs pending

Parsing Birdsong with Deep Audio Embeddings

Brian Chu, Holger Klinck, Irina Tolkova, Marcel Hedman, Stefan Kahl

arxiv:2108.09203 v1 · 2021-08-20 · cs.LG · 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{Y2RMFO7FB3G6ICDTAHW6BDWH62}

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	2026-07-05T03:07:35.180846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a2c2bbe50ecde4087301ede08ec7f6aa02d5b6a5eec75d68e90a469f292963

Aliases

arxiv: 2108.09203 · arxiv_version: 2108.09203v1 · doi: 10.48550/arxiv.2108.09203 · pith_short_12: Y2RMFO7FB3G6 · pith_short_16: Y2RMFO7FB3G6ICDT · pith_short_8: Y2RMFO7F

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/Y2RMFO7FB3G6ICDTAHW6BDWH62 \
  | 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: c6a2c2bbe50ecde4087301ede08ec7f6aa02d5b6a5eec75d68e90a469f292963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae824491bab556e76625eceb24065a5498176a6f8bb855dad548bf451988a3a5",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-08-20T14:45:44Z",
    "title_canon_sha256": "839795c732b70af7ef5c66d17373bf866955888357f721a99edc302955894117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09203",
    "kind": "arxiv",
    "version": 1
  }
}