Pith Number

pith:R2MED4WY

pith:2021:R2MED4WYVFUH6VJCEMPDQBVYP7

not attested not anchored not stored refs pending

Forward-Backward Convolutional Recurrent Neural Networks and Tag-Conditioned Convolutional Neural Networks for Weakly Labeled Semi-supervised Sound Event Detection

Janek Ebbers, Reinhold Haeb-Umbach

arxiv:2103.06581 v1 · 2021-03-11 · eess.AS · 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{R2MED4WYVFUH6VJCEMPDQBVYP7}

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	2026-07-05T02:22:10.747079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e9841f2d8a9687f5522231e3806b87fc78c2a15a46fef4bde2ee0418024e9b4

Aliases

arxiv: 2103.06581 · arxiv_version: 2103.06581v1 · doi: 10.48550/arxiv.2103.06581 · pith_short_12: R2MED4WYVFUH · pith_short_16: R2MED4WYVFUH6VJC · pith_short_8: R2MED4WY

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/R2MED4WYVFUH6VJCEMPDQBVYP7 \
  | 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: 8e9841f2d8a9687f5522231e3806b87fc78c2a15a46fef4bde2ee0418024e9b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8101daaa51ae225b39346cf8fd379d73f03a8a0529cc72bec8d0b19cb8d9a52",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-03-11T10:18:22Z",
    "title_canon_sha256": "d0f6584e1a47d635082c2c62acecc2e89602eb487c5880568fb16535a42f1d71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06581",
    "kind": "arxiv",
    "version": 1
  }
}