Pith Number

pith:KZUSQDCX

pith:2025:KZUSQDCXYJU7L7AM25NGPTU5ZM

not attested not anchored not stored refs pending

Source Verification for Speech Deepfakes

Davide Salvi, Paolo Bestagini, Stefano Tubaro, Viola Negroni

arxiv:2505.14188 v1 · 2025-05-20 · 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{KZUSQDCXYJU7L7AM25NGPTU5ZM}

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	2026-07-05T11:05:57.439822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5669280c57c269f5fc0cd75a67ce9dcb06ee7eea3013833e607a6c23207a09a5

Aliases

arxiv: 2505.14188 · arxiv_version: 2505.14188v1 · doi: 10.48550/arxiv.2505.14188 · pith_short_12: KZUSQDCXYJU7 · pith_short_16: KZUSQDCXYJU7L7AM · pith_short_8: KZUSQDCX

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/KZUSQDCXYJU7L7AM25NGPTU5ZM \
  | 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: 5669280c57c269f5fc0cd75a67ce9dcb06ee7eea3013833e607a6c23207a09a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c0b8b1a990eafea378d4b1347bd7acb26f5e96813e099b86a030136ae7f6201",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2025-05-20T10:42:48Z",
    "title_canon_sha256": "2c1954527bcb190367240c8bb942c92304f813f3be200296b8d8e61e35ea110e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14188",
    "kind": "arxiv",
    "version": 1
  }
}