Pith Number

pith:KXVQNR4E

pith:2019:KXVQNR4EQMEX5O2DTM74BMCJ4E

not attested not anchored not stored refs pending

PU-GAN: a Point Cloud Upsampling Adversarial Network

Chi-Wing Fu, Daniel Cohen-Or, Pheng-Ann Heng, Ruihui Li, Xianzhi Li

arxiv:1907.10844 v1 · 2019-07-25 · 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{KXVQNR4EQMEX5O2DTM74BMCJ4E}

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	2026-05-17T23:39:34.320862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55eb06c78483097ebb439b3fc0b049e11e0d9fd944f97beb29715c80a82fe6fe

Aliases

arxiv: 1907.10844 · arxiv_version: 1907.10844v1 · doi: 10.48550/arxiv.1907.10844 · pith_short_12: KXVQNR4EQMEX · pith_short_16: KXVQNR4EQMEX5O2D · pith_short_8: KXVQNR4E

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/KXVQNR4EQMEX5O2DTM74BMCJ4E \
  | 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: 55eb06c78483097ebb439b3fc0b049e11e0d9fd944f97beb29715c80a82fe6fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac4c3239d5462dc69549fb416bf12bb74634cf9a7b35dcdd8cbc59f5bc81d48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-25T05:28:56Z",
    "title_canon_sha256": "42f358874d6a7b28aecf86a332c54c8a868ddbe095cccb7f5e14ebe520192db8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10844",
    "kind": "arxiv",
    "version": 1
  }
}