Pith Number

pith:CARM27BL

pith:2016:CARM27BL2KR5DTSCUOJEJR5VQH

not attested not anchored not stored refs pending

Predicting Chroma from Luma with Frequency Domain Intra Prediction

Jean-Marc Valin, Nathan E. Egge

arxiv:1603.03482 v1 · 2016-03-10 · cs.MM · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CARM27BL2KR5DTSCUOJEJR5VQH}

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	2026-05-18T01:19:15.504342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1022cd7c2bd2a3d1ce42a39244c7b581cfacc7494df9c35bdbf0995867303822

Aliases

arxiv: 1603.03482 · arxiv_version: 1603.03482v1 · doi: 10.48550/arxiv.1603.03482 · pith_short_12: CARM27BL2KR5 · pith_short_16: CARM27BL2KR5DTSC · pith_short_8: CARM27BL

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/CARM27BL2KR5DTSCUOJEJR5VQH \
  | 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: 1022cd7c2bd2a3d1ce42a39244c7b581cfacc7494df9c35bdbf0995867303822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7055e01028d97384902f560531705b161d3fda672d458d1c9fe06051f6176221",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-03-10T22:55:36Z",
    "title_canon_sha256": "59f877d8e2e5c855b3c23930a7cb768cad3f4235ba146cc31349603f5d8ace57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03482",
    "kind": "arxiv",
    "version": 1
  }
}