Pith Number

pith:46ADFZT4

pith:2020:46ADFZT4H3JIQ4F6O24SG6ZGHA

not attested not anchored not stored refs pending

LUVLi Face Alignment: Estimating Landmarks' Location, Uncertainty, and Visibility Likelihood

Abhinav Kumar, Anoop Cherian, Chen Feng, Michael Jones, Tim K. Marks, Toshiaki Koike-Akino, Wenxuan Mou, Xiaoming Liu, Ye Wang

arxiv:2004.02980 v1 · 2020-04-06 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46ADFZT4H3JIQ4F6O24SG6ZGHA}

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	2026-07-05T00:53:22.130800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e78032e67c3ed28870be76b9237b263809429d8c6c6bf671eb5ee519ec23dcda

Aliases

arxiv: 2004.02980 · arxiv_version: 2004.02980v1 · doi: 10.48550/arxiv.2004.02980 · pith_short_12: 46ADFZT4H3JI · pith_short_16: 46ADFZT4H3JIQ4F6 · pith_short_8: 46ADFZT4

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/46ADFZT4H3JIQ4F6O24SG6ZGHA \
  | 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: e78032e67c3ed28870be76b9237b263809429d8c6c6bf671eb5ee519ec23dcda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa27011c46266f312e51a99f0de6a66fa876ec7cd82ef8a6014ba0882be02b88",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-06T20:17:47Z",
    "title_canon_sha256": "94821f54da24311f532a865eb8416f1f0f44f265147f685a3b58cfb28fb3d00c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02980",
    "kind": "arxiv",
    "version": 1
  }
}