Pith Number

pith:YMQASA6I

pith:2024:YMQASA6IZABGXRFHYEIALRDIZA

not attested not anchored not stored refs pending

Gain of Grain: A Film Grain Handling Toolchain for VVC-based Open Implementations

Adam Wieckowski, Benjamin Bross, Detlev Marpe, Jens Brandenburg, Thomas Schierl, Vignesh V Menon

arxiv:2402.00622 v1 · 2024-02-01 · 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{YMQASA6IZABGXRFHYEIALRDIZA}

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	2026-07-05T07:40:14.929778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3200903c8c8026bc4a7c11005c468c83ec0d968404612cd1429a577f9ebe586

Aliases

arxiv: 2402.00622 · arxiv_version: 2402.00622v1 · doi: 10.48550/arxiv.2402.00622 · pith_short_12: YMQASA6IZABG · pith_short_16: YMQASA6IZABGXRFH · pith_short_8: YMQASA6I

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/YMQASA6IZABGXRFHYEIALRDIZA \
  | 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: c3200903c8c8026bc4a7c11005c468c83ec0d968404612cd1429a577f9ebe586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aadad24d2e7022f2889cca00c2fa20626bb9942e4876fb78c67daf2e7bfa4652",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2024-02-01T14:39:39Z",
    "title_canon_sha256": "d1de3741da8862b921d50dcd962bffed43117792c638711031d68ba77e3c4914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.00622",
    "kind": "arxiv",
    "version": 1
  }
}