Pith Number

pith:SUWIM3FD

pith:2018:SUWIM3FDOAUGNEPZOBYJ3WBIQA

not attested not anchored not stored refs pending

Strichartz estimates and wave equation in a conic singular space

Jiqiang Zheng, Junyong Zhang

arxiv:1804.02390 v3 · 2018-04-06 · math.AP · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUWIM3FDOAUGNEPZOBYJ3WBIQA}

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	2026-07-05T03:07:41.268179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

952c866ca370286691f970709dd82880384ee190556727747a1a197bd3f0c430

Aliases

arxiv: 1804.02390 · arxiv_version: 1804.02390v3 · doi: 10.48550/arxiv.1804.02390 · pith_short_12: SUWIM3FDOAUG · pith_short_16: SUWIM3FDOAUGNEPZ · pith_short_8: SUWIM3FD

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/SUWIM3FDOAUGNEPZOBYJ3WBIQA \
  | 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: 952c866ca370286691f970709dd82880384ee190556727747a1a197bd3f0c430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e818d9be7f4f9f9a3a13cff5a17f88816b2d8768b84b1880c74825abf4f2311",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-06T08:46:44Z",
    "title_canon_sha256": "8b4a17ca2403b7d4a66173c6318b19f014d817c07d8dcdf792cc9ff65f90b2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02390",
    "kind": "arxiv",
    "version": 3
  }
}