Pith Number

pith:UPA45W34

pith:2019:UPA45W34DULW6R7U4HCB33UQCH

not attested not anchored not stored refs pending

Enhancing Quality for VVC Compressed Videos by Jointly Exploiting Spatial Details and Temporal Structure

Bing Zeng, Shuyuan Zhu, Xiandong Meng, Xuan Deng

arxiv:1901.09575 v2 · 2019-01-28 · 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{UPA45W34DULW6R7U4HCB33UQCH}

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	2026-05-17T23:45:25.850233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c1cedb7c1d176f47f4e1c41dee9011d5093c79ec195c5ae8b3fbc08702c03c

Aliases

arxiv: 1901.09575 · arxiv_version: 1901.09575v2 · doi: 10.48550/arxiv.1901.09575 · pith_short_12: UPA45W34DULW · pith_short_16: UPA45W34DULW6R7U · pith_short_8: UPA45W34

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/UPA45W34DULW6R7U4HCB33UQCH \
  | 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: a3c1cedb7c1d176f47f4e1c41dee9011d5093c79ec195c5ae8b3fbc08702c03c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d5750b40e813287395f5e8b6db935db8fd3e12a54b1711250f3ee6732d22e44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-28T09:42:43Z",
    "title_canon_sha256": "828d6a5493c3f9afad4ceb6d0842c319a2b82baa337a765e9fb42c44c2df5a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09575",
    "kind": "arxiv",
    "version": 2
  }
}