Pith Number

pith:PSGJ4NRV

pith:2023:PSGJ4NRVRUVOPPFCFMCPWMUOMG

not attested not anchored not stored refs pending

An Error-Surface-Based Fractional Motion Estimation Algorithm and Hardware Implementation for VVC

Chao Liu, Jiahao Liu, Leilei Huang, Shushi Chen, Yibo Fan

arxiv:2302.06167 v1 · 2023-02-13 · 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{PSGJ4NRVRUVOPPFCFMCPWMUOMG}

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	2026-07-05T05:41:02.684632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c8c9e36358d2ae7bca22b04fb328e619b92c8e43b7f14d804a172501b76e506

Aliases

arxiv: 2302.06167 · arxiv_version: 2302.06167v1 · doi: 10.48550/arxiv.2302.06167 · pith_short_12: PSGJ4NRVRUVO · pith_short_16: PSGJ4NRVRUVOPPFC · pith_short_8: PSGJ4NRV

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/PSGJ4NRVRUVOPPFCFMCPWMUOMG \
  | 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: 7c8c9e36358d2ae7bca22b04fb328e619b92c8e43b7f14d804a172501b76e506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f69c6edad6e28ab30f27a84c29b41b48b031b1fafebf4b09fe29058eb68ab1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-02-13T08:04:52Z",
    "title_canon_sha256": "7f4e2ce43975e92a4f8d73bdbd923f52b901f130223c0453eac18dbff557391c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06167",
    "kind": "arxiv",
    "version": 1
  }
}