Pith Number

pith:RQRLXSAT

pith:2017:RQRLXSATJYFQZODN4A3RDTSJHO

not attested not anchored not stored refs pending

Life-span of blowup solutions to semilinear wave equation with space-dependent critical damping

Masahiro Ikeda, Motohiro Sobajima

arxiv:1709.04401 v1 · 2017-09-13 · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQRLXSATJYFQZODN4A3RDTSJHO}

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	2026-05-18T00:35:14.468954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c22bbc8134e0b0cb86de03711ce493bb8a7d77a9d3b154c0acc4877264a6bc2

Aliases

arxiv: 1709.04401 · arxiv_version: 1709.04401v1 · doi: 10.48550/arxiv.1709.04401 · pith_short_12: RQRLXSATJYFQ · pith_short_16: RQRLXSATJYFQZODN · pith_short_8: RQRLXSAT

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/RQRLXSATJYFQZODN4A3RDTSJHO \
  | 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: 8c22bbc8134e0b0cb86de03711ce493bb8a7d77a9d3b154c0acc4877264a6bc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "451f5521df2ff5ec1edc466e2cf2235aa171faff5f15d681a8c5832cf6a83406",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-13T16:12:45Z",
    "title_canon_sha256": "ab7c7c098a3052e2b724428907ed3c96fefe293a6aca46505b29847fa3c9a0f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04401",
    "kind": "arxiv",
    "version": 1
  }
}