Pith Number

pith:OUC4SZVK

pith:2018:OUC4SZVKJPZNF73K3ZNZUQ4COF

not attested not anchored not stored refs pending

Every Smile is Unique: Landmark-Guided Diverse Smile Generation

Dan Xu, Elisa Ricci, Nicu Sebe, Pascal Fua, Wei Wang, Xavier Alameda-Pineda

arxiv:1802.01873 v3 · 2018-02-06 · 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{OUC4SZVKJPZNF73K3ZNZUQ4COF}

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	2026-05-18T00:19:56.432346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7505c966aa4bf2d2ff6ade5b9a4382716d99fb37a178ef79d847d72d84ff8278

Aliases

arxiv: 1802.01873 · arxiv_version: 1802.01873v3 · doi: 10.48550/arxiv.1802.01873 · pith_short_12: OUC4SZVKJPZN · pith_short_16: OUC4SZVKJPZNF73K · pith_short_8: OUC4SZVK

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/OUC4SZVKJPZNF73K3ZNZUQ4COF \
  | 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: 7505c966aa4bf2d2ff6ade5b9a4382716d99fb37a178ef79d847d72d84ff8278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48dfaad86a1fc0c3d3936cfdc82b7d096647ec8ad4f7874887b1c02e3ce4fc3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-06T10:15:39Z",
    "title_canon_sha256": "9f9ce6202a3b6b659d084622313c5ac10d3e15c45b0b932b24779945154b7255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01873",
    "kind": "arxiv",
    "version": 3
  }
}