Pith Number

pith:PDG5K45E

pith:2026:PDG5K45EITRIRNQWYYTYC2QZQS

not attested not anchored not stored refs pending

Optimal energy decay rates for Klein-Gordon equations with Kelvin-Voigt damping

David Seifert, Filippo Dell'Oro, Lassi Paunonen

arxiv:2603.26274 v2 · 2026-03-27 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDG5K45EITRIRNQWYYTYC2QZQS}

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	2026-05-25T02:01:18.338098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78cdd573a444e288b616c627816a1984b86c139f72fec0cf5b222e896fa20e96

Aliases

arxiv: 2603.26274 · arxiv_version: 2603.26274v2 · doi: 10.48550/arxiv.2603.26274 · pith_short_12: PDG5K45EITRI · pith_short_16: PDG5K45EITRIRNQW · pith_short_8: PDG5K45E

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/PDG5K45EITRIRNQWYYTYC2QZQS \
  | 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: 78cdd573a444e288b616c627816a1984b86c139f72fec0cf5b222e896fa20e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5568ff235fc28fffaa62fd020f71cf599f8c1112ed7654513d0a350e44ebb7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-03-27T10:41:18Z",
    "title_canon_sha256": "6c0cb0092872bce2dcae967232b201b4a878d992cee593f9b0f94992f5dcb40a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.26274",
    "kind": "arxiv",
    "version": 2
  }
}