Pith Number

pith:DVD5P74T

pith:2015:DVD5P74TO3EQWSW75KDY3FASV5

not attested not anchored not stored refs pending

Detecting bird sound in unknown acoustic background using crowdsourced training data

Kathy Willis, Stephen Roberts, Timos Papadopoulos

arxiv:1505.06443 v1 · 2015-05-24 · stat.ML · cs.LG · 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{DVD5P74TO3EQWSW75KDY3FASV5}

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	2026-05-18T02:03:47.217647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d47d7ff9376c90b4adfea878d9412af5b84a9871b84ca8e3e0124fd42ab974b

Aliases

arxiv: 1505.06443 · arxiv_version: 1505.06443v1 · doi: 10.48550/arxiv.1505.06443 · pith_short_12: DVD5P74TO3EQ · pith_short_16: DVD5P74TO3EQWSW7 · pith_short_8: DVD5P74T

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/DVD5P74TO3EQWSW75KDY3FASV5 \
  | 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: 1d47d7ff9376c90b4adfea878d9412af5b84a9871b84ca8e3e0124fd42ab974b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "377880aa5e026302d5171f09ef5647863a987b16930854d93c8b125e331e422b",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-05-24T14:58:41Z",
    "title_canon_sha256": "d89a0ded0be8ce778a9f1841fdbe214f8da40f234dad442dd96f213c2fe6d0fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06443",
    "kind": "arxiv",
    "version": 1
  }
}