Pith Number

pith:3O4W37K5

pith:2013:3O4W37K5KMVUSTZMOPDFT7K5BL

not attested not anchored not stored refs pending

Classification for Big Dataset of Bioacoustic Signals Based on Human Scoring System and Artificial Neural Network

Christopher Clark, Denise Risch, Hal Lewis, Marian Popescu, Mohammad Pourhomayoun, Peter Dugan

arxiv:1305.3633 v2 · 2013-05-15 · cs.CV

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3O4W37K5KMVUSTZMOPDFT7K5BL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:20:44.922382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb96dfd5d532b494f2c73c659fd5d0ace436952a0d87331ea9c86de6dccc843

Aliases

arxiv: 1305.3633 · arxiv_version: 1305.3633v2 · doi: 10.48550/arxiv.1305.3633 · pith_short_12: 3O4W37K5KMVU · pith_short_16: 3O4W37K5KMVUSTZM · pith_short_8: 3O4W37K5

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/3O4W37K5KMVUSTZMOPDFT7K5BL \
  | 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: dbb96dfd5d532b494f2c73c659fd5d0ace436952a0d87331ea9c86de6dccc843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e42e7734327148c8dbd44b34f9043b81c221cbd71a2c4c6165ccc3df1df0d43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-05-15T20:53:39Z",
    "title_canon_sha256": "6beec793794e03c7deeef87475ff661949b4afef647da32f8431c343ed6b5167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3633",
    "kind": "arxiv",
    "version": 2
  }
}