Pith Number

pith:VG7TCCL7

pith:2024:VG7TCCL7NSJ6FHONBCCSROYWDM

not attested not anchored not stored refs pending

Variable-size Symmetry-based Graph Fourier Transforms for image compression

Alessandro Gnutti, Antonio Ortega, Fabrizio Guerrini, Riccardo Leonardi

arxiv:2411.15824 v1 · 2024-11-24 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VG7TCCL7NSJ6FHONBCCSROYWDM}

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	2026-07-05T09:39:41.556253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9bf31097f6c93e29dcd088528bb161b1bb85f2ce9c74758904b86c8a853696f

Aliases

arxiv: 2411.15824 · arxiv_version: 2411.15824v1 · doi: 10.48550/arxiv.2411.15824 · pith_short_12: VG7TCCL7NSJ6 · pith_short_16: VG7TCCL7NSJ6FHON · pith_short_8: VG7TCCL7

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/VG7TCCL7NSJ6FHONBCCSROYWDM \
  | 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: a9bf31097f6c93e29dcd088528bb161b1bb85f2ce9c74758904b86c8a853696f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f5f00614394421cf8748d460afc99d067f50c061f084abce590c2663d413177",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-11-24T13:00:44Z",
    "title_canon_sha256": "4771394e316599900e33b2c22ba8362a0d9869e32e9c94a6ddbf7ead78728bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15824",
    "kind": "arxiv",
    "version": 1
  }
}