Pith Number

pith:RGUG4SBR

pith:2018:RGUG4SBRFIQQ5S7U2VSBHD7BXQ

not attested not anchored not stored refs pending

On Evaluating Perceptual Quality of Online User-Generated Videos

Jong-Seok Lee, Soobeom Jang

arxiv:1809.05220 v1 · 2018-09-14 · cs.MM · 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{RGUG4SBRFIQQ5S7U2VSBHD7BXQ}

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	2026-05-18T00:05:44.360371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89a86e48312a210ecbf4d564138fe1bc2fe47db6d9e1ad1ee6e721c1cbd751e1

Aliases

arxiv: 1809.05220 · arxiv_version: 1809.05220v1 · doi: 10.48550/arxiv.1809.05220 · pith_short_12: RGUG4SBRFIQQ · pith_short_16: RGUG4SBRFIQQ5S7U · pith_short_8: RGUG4SBR

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/RGUG4SBRFIQQ5S7U2VSBHD7BXQ \
  | 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: 89a86e48312a210ecbf4d564138fe1bc2fe47db6d9e1ad1ee6e721c1cbd751e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d9084854bfb7b48648d0668cd96d62876cb6814dbc2d28269203bbb287d48f",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2018-09-14T02:07:30Z",
    "title_canon_sha256": "b4302fdb079d1f581efc0d7a6bb1782b40ce13185bca8cb2c10cc64f4626b72a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05220",
    "kind": "arxiv",
    "version": 1
  }
}