Pith Number

pith:ZQLLGLT4

pith:2019:ZQLLGLT4AT5CXNCVSEP3S2O4ER

not attested not anchored not stored refs pending

Data-Free Point Cloud Network for 3D Face Recognition

Feipeng Da, Yi Yu, Ziyu Zhang

arxiv:1911.04731 v1 · 2019-11-12 · 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{ZQLLGLT4AT5CXNCVSEP3S2O4ER}

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	2026-07-05T00:21:16.239949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc16b32e7c04fa2bb455911fb969dc245564469f841e083fcbbf907e9620685a

Aliases

arxiv: 1911.04731 · arxiv_version: 1911.04731v1 · doi: 10.48550/arxiv.1911.04731 · pith_short_12: ZQLLGLT4AT5C · pith_short_16: ZQLLGLT4AT5CXNCV · pith_short_8: ZQLLGLT4

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/ZQLLGLT4AT5CXNCVSEP3S2O4ER \
  | 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: cc16b32e7c04fa2bb455911fb969dc245564469f841e083fcbbf907e9620685a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cde6f0c21ff6aca47c6027a74884f2751913a11cc3044f61972841c4a6cd991c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-11-12T08:18:30Z",
    "title_canon_sha256": "e64125efefbc8c9e997942f8898c1374df68fbeb39eb7efab98549776d4f47e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04731",
    "kind": "arxiv",
    "version": 1
  }
}