Pith Number

pith:2EIU2IMQ

pith:2011:2EIU2IMQ5YUNIKKH37HIYS4SR5

not attested not anchored not stored refs pending

Using the RD rational Arnoldi method for exponential integrators

Paolo Novati

arxiv:1108.1485 v1 · 2011-08-06 · math.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{2EIU2IMQ5YUNIKKH37HIYS4SR5}

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	2026-05-18T04:16:00.935102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1114d2190ee28d42947dfce8c4b928f7c0482755b2d04c1eb8e0c3426a28ce1

Aliases

arxiv: 1108.1485 · arxiv_version: 1108.1485v1 · doi: 10.48550/arxiv.1108.1485 · pith_short_12: 2EIU2IMQ5YUN · pith_short_16: 2EIU2IMQ5YUNIKKH · pith_short_8: 2EIU2IMQ

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/2EIU2IMQ5YUNIKKH37HIYS4SR5 \
  | 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: d1114d2190ee28d42947dfce8c4b928f7c0482755b2d04c1eb8e0c3426a28ce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c7fd1cf0cb5c48d66539cc0f68658edd82edc967471510b51e229d79cc5decc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-08-06T14:19:16Z",
    "title_canon_sha256": "12db220556de3e1648b390b2a8e255d4ec4d4168b5a0b421d1fb06296cf09010"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1485",
    "kind": "arxiv",
    "version": 1
  }
}