Pith Number

pith:CU2KTF7C

pith:2012:CU2KTF7CA2QGP557WRZFWYTBCJ

not attested not anchored not stored refs pending

Stochastic and Variational Approach to the Lax-Friedrichs Scheme

Kohei Soga

arxiv:1205.2167 v1 · 2012-05-10 · math.NA · 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{CU2KTF7CA2QGP557WRZFWYTBCJ}

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	2026-05-18T03:55:56.869941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1534a997e206a067f7bfb4725b6261125f524d681d1541f08dbaa05780092d23

Aliases

arxiv: 1205.2167 · arxiv_version: 1205.2167v1 · doi: 10.48550/arxiv.1205.2167 · pith_short_12: CU2KTF7CA2QG · pith_short_16: CU2KTF7CA2QGP557 · pith_short_8: CU2KTF7C

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/CU2KTF7CA2QGP557WRZFWYTBCJ \
  | 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: 1534a997e206a067f7bfb4725b6261125f524d681d1541f08dbaa05780092d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "201653ce86be8c9115f992ce21c2f4ea0438c69cb9be62c24791985df122ee84",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-05-10T06:35:44Z",
    "title_canon_sha256": "8a43b9a65aa504c4e461cff8ae9db481721cb1713dc59b4bffc75ee965106be8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2167",
    "kind": "arxiv",
    "version": 1
  }
}