Pith Number

pith:MDL7ODCP

pith:2015:MDL7ODCPH67DUTPUK4Z75VP4H4

not attested not anchored not stored refs pending

Krylov approximation of ODEs with polynomial parameterization

Antti Koskela, Elias Jarlebring, Michiel E. Hochstenbach

arxiv:1507.07507 v1 · 2015-07-27 · 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{MDL7ODCPH67DUTPUK4Z75VP4H4}

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	2026-06-04T17:09:25.958922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60d7f70c4f3fbe3a4df45733fed5fc3f2abb3f8f283d6f515a9d9d1608d58eb6

Aliases

arxiv: 1507.07507 · arxiv_version: 1507.07507v1 · doi: 10.48550/arxiv.1507.07507 · pith_short_12: MDL7ODCPH67D · pith_short_16: MDL7ODCPH67DUTPU · pith_short_8: MDL7ODCP

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/MDL7ODCPH67DUTPUK4Z75VP4H4 \
  | 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: 60d7f70c4f3fbe3a4df45733fed5fc3f2abb3f8f283d6f515a9d9d1608d58eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0d4834a383edfcc885fe591df76c8f788d77b37fa3b51e7f8efb6c1f7fd607",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-27T18:17:24Z",
    "title_canon_sha256": "450936c74d089431bbc0e2c1af70355ea5c58aa364ad0e50c4467162defb6f8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07507",
    "kind": "arxiv",
    "version": 1
  }
}