Pith Number

pith:6S4SHQZ2

pith:2016:6S4SHQZ2RUWP5IM4RPCFIYVAO6

not attested not anchored not stored refs pending

Cross-Color Channel Perceptually Adaptive Quantization for HEVC

Lee Prangnell, Miguel Hern\'andez-Cabronero, Victor Sanchez

arxiv:1612.07893 v4 · 2016-12-23 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6S4SHQZ2RUWP5IM4RPCFIYVAO6}

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	2026-05-18T00:23:56.901243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4b923c33a8d2cfea19c8bc45462a0779975090682c6870be968c15be2b405a7

Aliases

arxiv: 1612.07893 · arxiv_version: 1612.07893v4 · doi: 10.48550/arxiv.1612.07893 · pith_short_12: 6S4SHQZ2RUWP · pith_short_16: 6S4SHQZ2RUWP5IM4 · pith_short_8: 6S4SHQZ2

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/6S4SHQZ2RUWP5IM4RPCFIYVAO6 \
  | 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: f4b923c33a8d2cfea19c8bc45462a0779975090682c6870be968c15be2b405a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5bc381340d1c8d2ac2a4653aaf9f3c69ce12e0fd46a2f2966ffaaeb67b8daab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-12-23T07:57:34Z",
    "title_canon_sha256": "414c99d3f0cb22d9f791cffd321f185e1b0f712e40cf1eea589dac85fbe01a21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07893",
    "kind": "arxiv",
    "version": 4
  }
}