Pith Number

pith:HMVCD5BU

pith:2019:HMVCD5BUPJABP4QQ4NWS2E3ZHO

not attested not anchored not stored refs pending

Global solutions of nonlinear wave-Klein-Gordon system in two spatial dimensions: weak coupling case

Yue Ma

arxiv:1907.03516 v1 · 2019-07-08 · 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{HMVCD5BUPJABP4QQ4NWS2E3ZHO}

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	2026-05-17T23:41:14.410926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b2a21f4347a4017f210e36d2d13793ba2f7f9c72ff40c5222605ecd9bd76248

Aliases

arxiv: 1907.03516 · arxiv_version: 1907.03516v1 · doi: 10.48550/arxiv.1907.03516 · pith_short_12: HMVCD5BUPJAB · pith_short_16: HMVCD5BUPJABP4QQ · pith_short_8: HMVCD5BU

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/HMVCD5BUPJABP4QQ4NWS2E3ZHO \
  | 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: 3b2a21f4347a4017f210e36d2d13793ba2f7f9c72ff40c5222605ecd9bd76248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebef6d23410a38b04ab3b8d1907f11f37854cc7f81a4f010e0a8b27107c4ad19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-08T11:19:03Z",
    "title_canon_sha256": "57e584f2e5351e4ae172f8b5029e8406a8d4276074892068dd7a10bf2d9632b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03516",
    "kind": "arxiv",
    "version": 1
  }
}