Pith Number

pith:LOYCU2RU

pith:2019:LOYCU2RUE3Y6NVJCPPSH4J7USI

not attested not anchored not stored refs pending

Strauss exponent for semilinear wave equations with scattering space dependent damping

Ning-An Lai, Ziheng Tu

arxiv:1905.09445 v2 · 2019-05-23 · 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{LOYCU2RUE3Y6NVJCPPSH4J7USI}

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	2026-05-17T23:42:41.584370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bb02a6a3426f1e6d5227be47e27f49232f2f9cf849db945aa949e6690c2a43f

Aliases

arxiv: 1905.09445 · arxiv_version: 1905.09445v2 · doi: 10.48550/arxiv.1905.09445 · pith_short_12: LOYCU2RUE3Y6 · pith_short_16: LOYCU2RUE3Y6NVJC · pith_short_8: LOYCU2RU

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/LOYCU2RUE3Y6NVJCPPSH4J7USI \
  | 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: 5bb02a6a3426f1e6d5227be47e27f49232f2f9cf849db945aa949e6690c2a43f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b67c3fe6343633b54f41a46769d4d6d03065a33713c667463ebd07e3b5ab51d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-23T03:14:40Z",
    "title_canon_sha256": "7ec78c5d99c59287c25ac7c7c0e4cb01c0f1fbb38100e9c5705ec9769d62734a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09445",
    "kind": "arxiv",
    "version": 2
  }
}