pith. sign in
Pith Number

pith:K54HPDB6

pith:2013:K54HPDB6BTEEIJW5DNTPX72Y23
not attested not anchored not stored refs pending

The blow-up rate for strongly perturbed semilinear wave equations

Mohamed-Ali Hamza, Omar Saidi

arxiv:1311.7479 v1 · 2013-11-29 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K54HPDB6BTEEIJW5DNTPX72Y23}

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 2026-05-18T01:46:04.974299Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5778778c3e0cc84426dd1b66fbff58d6eef00fe0b2e15fd643ab59e4ee3ca61d

Aliases

arxiv: 1311.7479 · arxiv_version: 1311.7479v1 · doi: 10.48550/arxiv.1311.7479 · pith_short_12: K54HPDB6BTEE · pith_short_16: K54HPDB6BTEEIJW5 · pith_short_8: K54HPDB6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K54HPDB6BTEEIJW5DNTPX72Y23 \
  | 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: 5778778c3e0cc84426dd1b66fbff58d6eef00fe0b2e15fd643ab59e4ee3ca61d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f7fd50424828b3b5b611b0cfe5c93503386f629bd26cc59df96ac4bd64fa5694",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-29T08:11:38Z",
    "title_canon_sha256": "e50fe407518b9a135066266d319457d48582c5537e59e35658f3cd0ba4abca74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7479",
    "kind": "arxiv",
    "version": 1
  }
}