Pith Number

pith:FJ26OFYQ

pith:2008:FJ26OFYQWQQDJDQADD5BIJWMLR

not attested not anchored not stored refs pending

Operator splittings and spatial approximations for evolution equations

Andr\'as B\'atkai, Gregor Nickel, Petra Csom\'os

arxiv:0810.1694 v2 · 2008-10-09 · math.FA · cs.NA · 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{FJ26OFYQWQQDJDQADD5BIJWMLR}

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	2026-06-03T22:06:10.670302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a75e71710b420348e0018fa1426cc5c75f37a21b9664d23a24d0d9533183cfb

Aliases

arxiv: 0810.1694 · arxiv_version: 0810.1694v2 · doi: 10.48550/arxiv.0810.1694 · pith_short_12: FJ26OFYQWQQD · pith_short_16: FJ26OFYQWQQDJDQA · pith_short_8: FJ26OFYQ

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/FJ26OFYQWQQDJDQADD5BIJWMLR \
  | 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: 2a75e71710b420348e0018fa1426cc5c75f37a21b9664d23a24d0d9533183cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d7de2eef044a2a83632338d1b7f774daac2af71faa4b4c477943af76f72833e",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2008-10-09T17:14:31Z",
    "title_canon_sha256": "6164bd9ca444dc4008269cbd7a3bf36a7fae40d29187d52fc22e823b6dccb9b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.1694",
    "kind": "arxiv",
    "version": 2
  }
}