Pith Number

pith:5T4FXFGK

pith:2023:5T4FXFGKBHY6AEFJIYUKEERDCM

not attested not anchored not stored refs pending

The Bj{\o}ntegaard Bible -- Why your Way of Comparing Video Codecs May Be Wrong

Andr\'e Kaup, Andy Regensky, Anna Meyer, Christian Herglotz, Dat Thanh Nguyen, Fabian Brand, Geetha Ramasubbu, Hannah Och, Kristian Fischer, Lena Eicherm\"uller, Matthias Kr\"anzler

arxiv:2304.12852 v2 · 2023-04-25 · 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{5T4FXFGKBHY6AEFJIYUKEERDCM}

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	2026-07-05T07:27:04.080398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecf85b94ca09f1e010a94628a212231333861125dcb02d286afe742ef39962e0

Aliases

arxiv: 2304.12852 · arxiv_version: 2304.12852v2 · doi: 10.48550/arxiv.2304.12852 · pith_short_12: 5T4FXFGKBHY6 · pith_short_16: 5T4FXFGKBHY6AEFJ · pith_short_8: 5T4FXFGK

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/5T4FXFGKBHY6AEFJIYUKEERDCM \
  | 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: ecf85b94ca09f1e010a94628a212231333861125dcb02d286afe742ef39962e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edbb62dc673cfed1ec97af6ef506aebddb561984d5a75f16e5780e4e75b6fae3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-04-25T14:24:37Z",
    "title_canon_sha256": "b40deb1b6fbe47e37faaa847352e11822d4c740c9a2806ca67f42fa24008d4fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.12852",
    "kind": "arxiv",
    "version": 2
  }
}