Pith Number

pith:C6J4F4WM

pith:2024:C6J4F4WMJCAHLWEMJVBE2KCKTE

not attested not anchored not stored refs pending

BVI-UGC: A Video Quality Database for User-Generated Content Transcoding

Chen Feng, David Bull, Fan Zhang, Shan Liu, Xiaozhong Xu, Zihao Qi

arxiv:2408.07171 v1 · 2024-08-13 · eess.IV · 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{C6J4F4WMJCAHLWEMJVBE2KCKTE}

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	2026-07-05T08:55:11.771958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1793c2f2cc488075d88c4d424d284a9939db984fd8f744d2314fdf6929886671

Aliases

arxiv: 2408.07171 · arxiv_version: 2408.07171v1 · doi: 10.48550/arxiv.2408.07171 · pith_short_12: C6J4F4WMJCAH · pith_short_16: C6J4F4WMJCAHLWEM · pith_short_8: C6J4F4WM

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/C6J4F4WMJCAHLWEMJVBE2KCKTE \
  | 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: 1793c2f2cc488075d88c4d424d284a9939db984fd8f744d2314fdf6929886671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "550d89e7e202f5d0bda779f094c02af2ff6e5c587705d51e6e2228a9b291c4e6",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-08-13T19:30:12Z",
    "title_canon_sha256": "58f08c1613b95793d2b991accc900ec573a5476458d9f651a17476ec8fd05933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.07171",
    "kind": "arxiv",
    "version": 1
  }
}