Pith Number

pith:ZVYE54G5

pith:2021:ZVYE54G5R2BU6FK5TBZMFP7JNP

not attested not anchored not stored refs pending

Audio-Visual Biometric Recognition and Presentation Attack Detection: A Comprehensive Survey

Christoph Busch, Hareesh Mandalapu, K Sreenivasa Rao, Pabitra Mitra, P N Aravinda Reddy, Raghavendra Ramachandra, S R Mahadeva Prasanna

arxiv:2101.09725 v2 · 2021-01-24 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZVYE54G5R2BU6FK5TBZMFP7JNP}

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	2026-07-05T02:22:25.364144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd704ef0dd8e834f155d9872c2bfe96bc001774a5837d4a6aa7720a52e5f7de4

Aliases

arxiv: 2101.09725 · arxiv_version: 2101.09725v2 · doi: 10.48550/arxiv.2101.09725 · pith_short_12: ZVYE54G5R2BU · pith_short_16: ZVYE54G5R2BU6FK5 · pith_short_8: ZVYE54G5

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/ZVYE54G5R2BU6FK5TBZMFP7JNP \
  | 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: cd704ef0dd8e834f155d9872c2bfe96bc001774a5837d4a6aa7720a52e5f7de4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1987823d5c0fee33a8c2f6b51c571a08b2f5eba168a08700473f6fb12718611",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-01-24T14:38:47Z",
    "title_canon_sha256": "a3b8b628a7c35633fbda6f99b90c5419e2acbe6b317c18c00cd8e50fea8cac4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09725",
    "kind": "arxiv",
    "version": 2
  }
}