Pith Number

pith:UDFKCDR6

pith:2019:UDFKCDR63HPMTJ7GKJYDMNP55J

not attested not anchored not stored refs pending

Smartphone Multi-modal Biometric Authentication: Database and Evaluation

Amir Mohammadi, Christoph Busch, Eric Poiret, Kiran Raja, Martin Stokkenes, Pankaj Wasnik, Raghavendra Ramachandra, S\'ebastien Marcel, Sushma Venkatesh

arxiv:1912.02487 v1 · 2019-12-05 · 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{UDFKCDR63HPMTJ7GKJYDMNP55J}

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.

Cited by

1 paper in Pith

Time-Domain Voice Identity Morphing (TD-VIM): A Signal-Level Approach to Morphing Attacks on Speaker Verification Systems

Receipt and verification

First computed	2026-07-05T00:24:14.030507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0caa10e3ed9dec9a7e652703635fdea75e804be5da44edca14bbacb374466a2

Aliases

arxiv: 1912.02487 · arxiv_version: 1912.02487v1 · doi: 10.48550/arxiv.1912.02487 · pith_short_12: UDFKCDR63HPM · pith_short_16: UDFKCDR63HPMTJ7G · pith_short_8: UDFKCDR6

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/UDFKCDR63HPMTJ7GKJYDMNP55J \
  | 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: a0caa10e3ed9dec9a7e652703635fdea75e804be5da44edca14bbacb374466a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10034995d32aad3007eb410403187bd8303c69efe202367389b6625677fe061a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-05T10:36:23Z",
    "title_canon_sha256": "9e630dfef9bccb4de222b4ad13e678f170572f4d6346e9cae14546f15b19a92e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02487",
    "kind": "arxiv",
    "version": 1
  }
}