Pith Number

pith:DJN75IYQ

pith:2019:DJN75IYQKNCFIDBPESQS2ZBZT2

not attested not anchored not stored refs pending

A uniformly and optimally accurate method for the Klein-Gordon-Zakharov system in simultaneous high-plasma-frequency and subsonic limit regime

Chunmei Su, Xiaofei Zhao

arxiv:1904.04538 v1 · 2019-04-09 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJN75IYQKNCFIDBPESQS2ZBZT2}

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	2026-05-17T23:48:58.798073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a5bfea3105344540c2f24a12d64399ea320537871929a0867bd94041967189a

Aliases

arxiv: 1904.04538 · arxiv_version: 1904.04538v1 · doi: 10.48550/arxiv.1904.04538 · pith_short_12: DJN75IYQKNCF · pith_short_16: DJN75IYQKNCFIDBP · pith_short_8: DJN75IYQ

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/DJN75IYQKNCFIDBPESQS2ZBZT2 \
  | 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: 1a5bfea3105344540c2f24a12d64399ea320537871929a0867bd94041967189a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e7867bf00fd9a2062727e4f9ce464616287b1dab476b8a8a349ad967735aa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-09T08:50:50Z",
    "title_canon_sha256": "19dd7ea3d04779ad6fb86b2610b9a2d955cea4a9b58a85cdb7d1bc88906c2c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04538",
    "kind": "arxiv",
    "version": 1
  }
}