Pith Number

pith:KX25HOHF

pith:2009:KX25HOHFPOIDTYGDKYXBP6UPRG

not attested not anchored not stored refs pending

Iterative operator-splitting methods for unbounded operators: Error analysis and examples

Juergen Geiser

arxiv:0904.0160 v1 · 2009-04-01 · math.NA · cs.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KX25HOHFPOIDTYGDKYXBP6UPRG}

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	2026-06-03T23:06:25.402205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f5d3b8e57b9039e0c3562e17fa8f899e1f7f500f25288f9ee6910fce7a8b4c

Aliases

arxiv: 0904.0160 · arxiv_version: 0904.0160v1 · doi: 10.48550/arxiv.0904.0160 · pith_short_12: KX25HOHFPOID · pith_short_16: KX25HOHFPOIDTYGD · pith_short_8: KX25HOHF

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/KX25HOHFPOIDTYGDKYXBP6UPRG \
  | 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: 55f5d3b8e57b9039e0c3562e17fa8f899e1f7f500f25288f9ee6910fce7a8b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c301baaac329f0034594f38804ba6667b3d4b7b279f899a6a3580754749af8b7",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-04-01T13:42:35Z",
    "title_canon_sha256": "d4c2c76010451a706a5729fb3a35afda818bd88c68599cabaf5c2ddc5b46c339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0160",
    "kind": "arxiv",
    "version": 1
  }
}