Pith Number

pith:25SGUQN7

pith:2009:25SGUQN74K5JXGCXZT2WUPCWEA

not attested not anchored not stored refs pending

Stable and Accurate Interpolation Operators for High-Order Multi-Block Finite-Difference Methods

K. Mattsson, Mark H. Carpenter

arxiv:0902.2791 v1 · 2009-02-16 · 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{25SGUQN74K5JXGCXZT2WUPCWEA}

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	2026-06-03T23:06:11.071531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7646a41bfe2ba9b9857ccf56a3c56202321ae5b9c7e2466b012f8faca69a4f7

Aliases

arxiv: 0902.2791 · arxiv_version: 0902.2791v1 · doi: 10.48550/arxiv.0902.2791 · pith_short_12: 25SGUQN74K5J · pith_short_16: 25SGUQN74K5JXGCX · pith_short_8: 25SGUQN7

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/25SGUQN74K5JXGCXZT2WUPCWEA \
  | 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: d7646a41bfe2ba9b9857ccf56a3c56202321ae5b9c7e2466b012f8faca69a4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35038478993dcbccc43625c5449ca064d4fceb22ea929ec2cf9326a95b9584df",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-02-16T21:18:36Z",
    "title_canon_sha256": "7c12e574d6ae90c6b57bcb71f81b2ef478295e2bb704bf1ae7af0e2119c52ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2791",
    "kind": "arxiv",
    "version": 1
  }
}