Pith Number

pith:C3UV5JNJ

pith:2026:C3UV5JNJFHEQVYAZX2YGPCMCUO

not attested not anchored not stored refs pending

Kelvin v1.0: A Neural Pre-Encoder for H.264: A standards-compliant learned preprocessor with -27.62% BD-VMAF on UVG

Marco Graziano

arxiv:2605.16376 v1 · 2026-05-10 · eess.IV · cs.CV · cs.DC · cs.LG · 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{C3UV5JNJFHEQVYAZX2YGPCMCUO}

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	2026-05-20T00:02:19.108932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16e95ea5a929c90ae019beb0678982a38a48586c5c344017177fdf394a3ea872

Aliases

arxiv: 2605.16376 · arxiv_version: 2605.16376v1 · doi: 10.48550/arxiv.2605.16376 · pith_short_12: C3UV5JNJFHEQ · pith_short_16: C3UV5JNJFHEQVYAZ · pith_short_8: C3UV5JNJ

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/C3UV5JNJFHEQVYAZX2YGPCMCUO \
  | 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: 16e95ea5a929c90ae019beb0678982a38a48586c5c344017177fdf394a3ea872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e95b66a142cda1132549e814f2da746d204b994bdd3d8f368342953a87cfccfb",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DC",
      "cs.LG",
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-10T22:05:24Z",
    "title_canon_sha256": "3768c77b5460b0404a1af715dd851d0c9c6fcd26f10e4308283106cffc5ded0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16376",
    "kind": "arxiv",
    "version": 1
  }
}