Pith Number

pith:H2DSD45S

pith:2019:H2DSD45SAE73FIZINL5Z43KWOF

not attested not anchored not stored refs pending

Discriminate natural versus loudspeaker emitted speech

Ngoc Q.K.Duong, Philippe Gilberton, Thanh-Ha Le

arxiv:1901.11291 v2 · 2019-01-31 · 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{H2DSD45SAE73FIZINL5Z43KWOF}

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	2026-05-17T23:53:49.443699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e8721f3b2013fb2a3286afb9e6d56715b881ee0401605cec66950152e202ffe

Aliases

arxiv: 1901.11291 · arxiv_version: 1901.11291v2 · doi: 10.48550/arxiv.1901.11291 · pith_short_12: H2DSD45SAE73 · pith_short_16: H2DSD45SAE73FIZI · pith_short_8: H2DSD45S

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/H2DSD45SAE73FIZINL5Z43KWOF \
  | 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: 3e8721f3b2013fb2a3286afb9e6d56715b881ee0401605cec66950152e202ffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7274c4bc415e7a3cc5bd605cebe8536c3cac130c579199a459a629ed0f29e906",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2019-01-31T09:49:54Z",
    "title_canon_sha256": "4ee31e470604b523765aa225cbcbd7ce1cf4277a2cb20a8e48f8a917b3be6fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11291",
    "kind": "arxiv",
    "version": 2
  }
}