Pith Number

pith:LANGWDL7

pith:2017:LANGWDL7YCXVVYBH6G4CMRQVSU

not attested not anchored not stored refs pending

Magnus expansions and pseudospectra of Master Equations

Arieh Iserles, Shev MacNamara

arxiv:1701.02522 v1 · 2017-01-10 · math.NA · math.PR · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LANGWDL7YCXVVYBH6G4CMRQVSU}

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	2026-05-18T00:53:04.075211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

581a6b0d7fc0af5ae027f1b82646159534d9d28c93b26e94c8019f940d351ddf

Aliases

arxiv: 1701.02522 · arxiv_version: 1701.02522v1 · doi: 10.48550/arxiv.1701.02522 · pith_short_12: LANGWDL7YCXV · pith_short_16: LANGWDL7YCXVVYBH · pith_short_8: LANGWDL7

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/LANGWDL7YCXVVYBH6G4CMRQVSU \
  | 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: 581a6b0d7fc0af5ae027f1b82646159534d9d28c93b26e94c8019f940d351ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2248fb322e6a5dd00e4237fe3d740fe6e1810e4aa8d07c9a7d223fc9a21b64b",
    "cross_cats_sorted": [
      "math.PR",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-10T11:33:41Z",
    "title_canon_sha256": "d4df6ad2a7b1f0e854dbc394b6abff7654ddd511df32b7bc444414562b07289a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02522",
    "kind": "arxiv",
    "version": 1
  }
}