Pith Number

pith:YSKCJZMF

pith:2017:YSKCJZMF2J3WDG6JC3NWGPJPXP

not attested not anchored not stored refs pending

Predicting Chroma from Luma in AV1

David Barr, Luc N. Trudeau, Nathan E. Egge

arxiv:1711.03951 v2 · 2017-11-10 · 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{YSKCJZMF2J3WDG6JC3NWGPJPXP}

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.

Cited by

1 paper in Pith

The JPEG XL Image Coding System: History, Features, Coding Tools, Design Rationale, and Future

Receipt and verification

First computed	2026-05-18T00:25:41.607494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c49424e585d277619bc916db633d2fbbd2d62d52e408451981e4172bd80e0f63

Aliases

arxiv: 1711.03951 · arxiv_version: 1711.03951v2 · doi: 10.48550/arxiv.1711.03951 · pith_short_12: YSKCJZMF2J3W · pith_short_16: YSKCJZMF2J3WDG6J · pith_short_8: YSKCJZMF

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/YSKCJZMF2J3WDG6JC3NWGPJPXP \
  | 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: c49424e585d277619bc916db633d2fbbd2d62d52e408451981e4172bd80e0f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2750b0e49338fbccafa2ace19366662102a97e22ad5294758a9791c3cf50983",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-11-10T18:26:04Z",
    "title_canon_sha256": "41733c39ddec9e8fa9f8aa216df3f06b74974ed5a1ad9b06731f2a91308df7bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03951",
    "kind": "arxiv",
    "version": 2
  }
}