Pith Number

pith:7JES3EBC

pith:2018:7JES3EBCJQECHOQI7MVLCNVHYE

not attested not anchored not stored refs pending

Global existence and blow-up for semilinear damped wave equations in three space dimensions

Masakazu Kato, Miku Sakuraba

arxiv:1807.04327 v3 · 2018-07-11 · 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{7JES3EBCJQECHOQI7MVLCNVHYE}

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	2026-05-17T23:58:14.072338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa492d90224c0823ba08fb2ab136a7c10f3ab9447566342e6d86ade106aaa37d

Aliases

arxiv: 1807.04327 · arxiv_version: 1807.04327v3 · doi: 10.48550/arxiv.1807.04327 · pith_short_12: 7JES3EBCJQEC · pith_short_16: 7JES3EBCJQECHOQI · pith_short_8: 7JES3EBC

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/7JES3EBCJQECHOQI7MVLCNVHYE \
  | 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: fa492d90224c0823ba08fb2ab136a7c10f3ab9447566342e6d86ade106aaa37d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b09b912332e671329c5b2b2acf3a7970d88d74590a4b98c9935d05536781bdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-11T19:50:53Z",
    "title_canon_sha256": "31dfce4c6b602a123deb8b364b43473b1b4063f1c87da0c166030d1ecf7225ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04327",
    "kind": "arxiv",
    "version": 3
  }
}