Pith Number

pith:QKIYQEJF

pith:2025:QKIYQEJFBCEFCDOADUHCLJ5QLM

not attested not anchored not stored refs pending

Lossless 4:2:0 Screen Content Coding Using Luma-Guided Soft Context Formation

Andr\'e Kaup, Hannah Och

arxiv:2508.18968 v1 · 2025-08-26 · eess.IV · cs.MM · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKIYQEJFBCEFCDOADUHCLJ5QLM}

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	2026-07-05T11:59:34.647775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82918811250888510dc01d0e25a7b05b091240bf6db09cadd4421db41cd25fe3

Aliases

arxiv: 2508.18968 · arxiv_version: 2508.18968v1 · doi: 10.48550/arxiv.2508.18968 · pith_short_12: QKIYQEJFBCEF · pith_short_16: QKIYQEJFBCEFCDOA · pith_short_8: QKIYQEJF

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/QKIYQEJFBCEFCDOADUHCLJ5QLM \
  | 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: 82918811250888510dc01d0e25a7b05b091240bf6db09cadd4421db41cd25fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05201ce62abcfac938db92b78478272864af64cc23747fdd7893755478a0d76",
    "cross_cats_sorted": [
      "cs.MM",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-08-26T12:12:48Z",
    "title_canon_sha256": "3f1823ad6816ff887e9d402cfd3afcc0dd1e03faae5c69861e3e4446b39dad62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18968",
    "kind": "arxiv",
    "version": 1
  }
}