Pith Number

pith:A4EEER7T

pith:2013:A4EEER7TQEIL4IE4NREALTBYQW

not attested not anchored not stored refs pending

The matrix sign function for solving surface wave problems in homogeneous and laterally periodic elastic half-spaces

A. A. Kutsenko, A. L. Shuvalov, A. N. Norris

arxiv:1303.5114 v1 · 2013-03-20 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4EEER7TQEIL4IE4NREALTBYQW}

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	2026-05-18T03:10:47.808949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07084247f38110be209c6c4805cc3885927674f72a5748d3e8e250a71a4a881c

Aliases

arxiv: 1303.5114 · arxiv_version: 1303.5114v1 · doi: 10.48550/arxiv.1303.5114 · pith_short_12: A4EEER7TQEIL · pith_short_16: A4EEER7TQEIL4IE4 · pith_short_8: A4EEER7T

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/A4EEER7TQEIL4IE4NREALTBYQW \
  | 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: 07084247f38110be209c6c4805cc3885927674f72a5748d3e8e250a71a4a881c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc6e25e51c01d9eacdc06f1dbbe95000a31fbe23c6c3f1f29754dd1db47a913",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-03-20T22:44:36Z",
    "title_canon_sha256": "49121887b9690f7760108b8480bcd0c313494d477b75ea9be9b0b4fdfa4c429d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5114",
    "kind": "arxiv",
    "version": 1
  }
}