Pith Number

pith:SOSDYDMD

pith:2019:SOSDYDMDNKRCLZYIDNJDO6UNF4

not attested not anchored not stored refs pending

A simplified Cauchy-Kowalewskaya procedure for the implicit solution of generalized Riemann problems of hyperbolic balance laws

Dinshaw S. Balsara, Gino I. Montecinos

arxiv:1907.08872 v1 · 2019-07-20 · 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{SOSDYDMDNKRCLZYIDNJDO6UNF4}

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	2026-05-17T23:40:02.905974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a43c0d836aa225e7081b52377a8d2f34bc95d4f228ce298b1b4bddff9cf01f

Aliases

arxiv: 1907.08872 · arxiv_version: 1907.08872v1 · doi: 10.48550/arxiv.1907.08872 · pith_short_12: SOSDYDMDNKRC · pith_short_16: SOSDYDMDNKRCLZYI · pith_short_8: SOSDYDMD

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/SOSDYDMDNKRCLZYIDNJDO6UNF4 \
  | 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: 93a43c0d836aa225e7081b52377a8d2f34bc95d4f228ce298b1b4bddff9cf01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "143809f7eaf3e6890bb8865b04814a4cb8324b79d7fc05e561493f42ce3216c2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-20T22:24:01Z",
    "title_canon_sha256": "b37639350af3cb2db82a4490e10f3fc4771c5978f829d609523e5aa35815d6d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08872",
    "kind": "arxiv",
    "version": 1
  }
}