Pith Number

pith:4HMX6OE6

pith:2012:4HMX6OE62J4IKNBGNR3B7PM2QY

not attested not anchored not stored refs pending

Secure voice based authentication for mobile devices: Vaulted Voice Verification

R.C. Johnson, Terrance E. Boult, Walter J. Scheirer

arxiv:1212.0042 v1 · 2012-11-30 · cs.CR · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HMX6OE62J4IKNBGNR3B7PM2QY}

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	2026-05-18T01:52:52.678992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d97f389ed2788534266c761fbd9a86157f0c57ef9998f66a2062c2d197a4d9

Aliases

arxiv: 1212.0042 · arxiv_version: 1212.0042v1 · doi: 10.48550/arxiv.1212.0042 · pith_short_12: 4HMX6OE62J4I · pith_short_16: 4HMX6OE62J4IKNBG · pith_short_8: 4HMX6OE6

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/4HMX6OE62J4IKNBGNR3B7PM2QY \
  | 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: e1d97f389ed2788534266c761fbd9a86157f0c57ef9998f66a2062c2d197a4d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b00698ecb6da5e073f29eedff02fefa87924bbde99c89e61dc69a939763af69",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-11-30T23:24:05Z",
    "title_canon_sha256": "d26ff63411b623086614a46de58519601a0faf1cff364d02894c4ca1dff37b1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0042",
    "kind": "arxiv",
    "version": 1
  }
}