Pith Number

pith:SAAOD7KU

pith:2019:SAAOD7KU5SY25T4BUNXK47CSJ3

not attested not anchored not stored refs pending

A CDG-FE method for the two-dimensional Green-Naghdi model with the enhanced dispersive property

Liwei Xu, Maojun Li, Yongping Cheng

arxiv:1902.05688 v1 · 2019-02-15 · math.NA · cs.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{SAAOD7KU5SY25T4BUNXK47CSJ3}

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	2026-06-04T20:13:54.139589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9000e1fd54ecb1aecf81a36eae7c524ee0164b291e8ddb5b45584875485271af

Aliases

arxiv: 1902.05688 · arxiv_version: 1902.05688v1 · doi: 10.48550/arxiv.1902.05688 · pith_short_12: SAAOD7KU5SY2 · pith_short_16: SAAOD7KU5SY25T4B · pith_short_8: SAAOD7KU

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/SAAOD7KU5SY25T4BUNXK47CSJ3 \
  | 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: 9000e1fd54ecb1aecf81a36eae7c524ee0164b291e8ddb5b45584875485271af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4abcbf860cbee3ab83f15b538518e95a76cf2c3a36e8ea30a08f05b2065dd66f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-15T05:24:22Z",
    "title_canon_sha256": "3ad7581f7bf4d59b86d147390642b936c2f26e7fd014198c527d3a2fcc3391e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05688",
    "kind": "arxiv",
    "version": 1
  }
}