Pith Number

pith:ZUVJQNWB

pith:2020:ZUVJQNWBX4S4TOCS23TPKK5FKW

not attested not anchored not stored refs pending

Multimodal active speaker detection and virtual cinematography for video conferencing

Adam Kirk, Adarsh Kowdle, Cha Zhang, Oliver Whyte, Ramin Mehran, Ross Cutler, Sam Johnson

arxiv:2002.03977 v3 · 2020-02-10 · eess.AS · cs.LG · cs.MM · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUVJQNWBX4S4TOCS23TPKK5FKW}

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

Unmasking Puppeteers: Leveraging Biometric Leakage to Expose Impersonation in AI-Based Videoconferencing

Receipt and verification

First computed	2026-07-05T04:26:17.845755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd2a9836c1bf25c9b852d6e6f52ba5559f05e36d443ebf6ca9edfabba32c507f

Aliases

arxiv: 2002.03977 · arxiv_version: 2002.03977v3 · doi: 10.48550/arxiv.2002.03977 · pith_short_12: ZUVJQNWBX4S4 · pith_short_16: ZUVJQNWBX4S4TOCS · pith_short_8: ZUVJQNWB

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/ZUVJQNWBX4S4TOCS23TPKK5FKW \
  | 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: cd2a9836c1bf25c9b852d6e6f52ba5559f05e36d443ebf6ca9edfabba32c507f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f40f6fe80cade055ee3003d3810e0db7ac05c6ecdc2930806fc9a14b66f83326",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.MM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-02-10T17:41:51Z",
    "title_canon_sha256": "ea94a9e4c9ef227537d5df3d84fe3ee4bc79948b70ec27abde9924f3c7ce5033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03977",
    "kind": "arxiv",
    "version": 3
  }
}