Pith Number

pith:DNK5HPT3

pith:2020:DNK5HPT3RSGIT5F2JLID7CH4MK

not attested not anchored not stored refs pending

A conservative fully-discrete numerical method for the regularised shallow water wave equations

David I. Ketcheson, Dimitrios Mitsotakis, Endre S\"uli, Hendrik Ranocha

arxiv:2009.09641 v2 · 2020-09-21 · 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{DNK5HPT3RSGIT5F2JLID7CH4MK}

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	2026-07-05T02:39:05.225403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b55d3be7b8c8c89f4ba4ad03f88fc6296c595235cc00a9a43e9195a4b4d63e3

Aliases

arxiv: 2009.09641 · arxiv_version: 2009.09641v2 · doi: 10.48550/arxiv.2009.09641 · pith_short_12: DNK5HPT3RSGI · pith_short_16: DNK5HPT3RSGIT5F2 · pith_short_8: DNK5HPT3

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/DNK5HPT3RSGIT5F2JLID7CH4MK \
  | 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: 1b55d3be7b8c8c89f4ba4ad03f88fc6296c595235cc00a9a43e9195a4b4d63e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3932d8e098c2f730f45b6fc54f2b85b40b4216923de6c3f4fa8eeb1fb86f269",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-09-21T06:58:17Z",
    "title_canon_sha256": "afe6b58137e6e5bc14ba4e7e6c1acd40cb1f00d27d69b6e97dc25367f47c3f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09641",
    "kind": "arxiv",
    "version": 2
  }
}