Pith Number

pith:L6OYPX4J

pith:2022:L6OYPX4JMIYFGS4KJOMMQTELI4

not attested not anchored not stored refs pending

Local Characteristic Decomposition Based Central-Upwind Scheme

Alexander Kurganov, Alina Chertock, Maria Lukacova-Medvidova, Michael Herty, Shaoshuai Chu

arxiv:2206.08803 v2 · 2022-06-17 · math.NA · cs.NA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6OYPX4JMIYFGS4KJOMMQTELI4}

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	2026-07-05T05:14:16.865384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f9d87df896230534b8a4b98c84c8b472b5e57e926ff9467a0814c8db7ff8530

Aliases

arxiv: 2206.08803 · arxiv_version: 2206.08803v2 · doi: 10.48550/arxiv.2206.08803 · pith_short_12: L6OYPX4JMIYF · pith_short_16: L6OYPX4JMIYFGS4K · pith_short_8: L6OYPX4J

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/L6OYPX4JMIYFGS4KJOMMQTELI4 \
  | 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: 5f9d87df896230534b8a4b98c84c8b472b5e57e926ff9467a0814c8db7ff8530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d352f07ec9bfff0db242a33c7e5de3b7cc44d122000efc837c76fbce735f006",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-06-17T14:30:51Z",
    "title_canon_sha256": "d6e99617366cb690b54d1bb9721857a466ed80efe850f4af9da275155ce32f14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.08803",
    "kind": "arxiv",
    "version": 2
  }
}