Pith Number

pith:FKZHIDHR

pith:2018:FKZHIDHRFBD3XF2CETPHMBXCSQ

not attested not anchored not stored refs pending

Nonexistence of global solutions of wave equations with weak time-dependent damping and combined nonlinearity

Hiroyuki Takamura, Ning-An Lai

arxiv:1802.10273 v1 · 2018-02-28 · 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{FKZHIDHRFBD3XF2CETPHMBXCSQ}

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	2026-05-17T23:45:58.162975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab2740cf12847bb974224de7606e294279f90a9e2e2e344d2e94faba22e918a

Aliases

arxiv: 1802.10273 · arxiv_version: 1802.10273v1 · doi: 10.48550/arxiv.1802.10273 · pith_short_12: FKZHIDHRFBD3 · pith_short_16: FKZHIDHRFBD3XF2C · pith_short_8: FKZHIDHR

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/FKZHIDHRFBD3XF2CETPHMBXCSQ \
  | 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: 2ab2740cf12847bb974224de7606e294279f90a9e2e2e344d2e94faba22e918a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e48ee51d8d2fe1eba84bcc8d00c5fc834452da352fc0d271a05b8638406b2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-28T06:08:38Z",
    "title_canon_sha256": "3fbff84568afb1afed61bf732de790991757c743144d5217f704a11ca21d96b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10273",
    "kind": "arxiv",
    "version": 1
  }
}