pith. sign in
Pith Number

pith:W22JA3HT

pith:2016:W22JA3HTRR5HZ6P5MWYX5MOKDI
not attested not anchored not stored refs pending

Optimal decay rate for the wave equation on a square with constant damping on a strip

Reinhard Stahn

arxiv:1607.03633 v2 · 2016-07-13 · math-ph · math.AP · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W22JA3HTRR5HZ6P5MWYX5MOKDI}

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 2026-05-18T00:49:42.276949Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b6b4906cf38c7a7cf9fd65b17eb1ca1a2204f41fe7f5b17b3530ab29eb174997

Aliases

arxiv: 1607.03633 · arxiv_version: 1607.03633v2 · doi: 10.48550/arxiv.1607.03633 · pith_short_12: W22JA3HTRR5H · pith_short_16: W22JA3HTRR5HZ6P5 · pith_short_8: W22JA3HT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W22JA3HTRR5HZ6P5MWYX5MOKDI \
  | 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: b6b4906cf38c7a7cf9fd65b17eb1ca1a2204f41fe7f5b17b3530ab29eb174997
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e98ccc74fa06e19b67ce493abaad1710101a82b984a34ff3dc7cba2ca511fc46",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-07-13T08:09:02Z",
    "title_canon_sha256": "6b813757775ce0a5802409610d018d51a02c3b1f7c9ce634cd9b509629af5fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03633",
    "kind": "arxiv",
    "version": 2
  }
}