Pith Number

pith:WYH76GFK

pith:2013:WYH76GFK27UCSBL2I4RGEZQNOQ

not attested not anchored not stored refs pending

A projector-splitting integrator for dynamical low-rank approximation

Christian Lubich, Ivan Oseledets

arxiv:1301.1058 v2 · 2013-01-06 · 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{WYH76GFK27UCSBL2I4RGEZQNOQ}

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	2026-05-18T03:36:57.791115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b60fff18aad7e829057a472262660d741f23c299e6246e24b5b1c5cd74076819

Aliases

arxiv: 1301.1058 · arxiv_version: 1301.1058v2 · doi: 10.48550/arxiv.1301.1058 · pith_short_12: WYH76GFK27UC · pith_short_16: WYH76GFK27UCSBL2 · pith_short_8: WYH76GFK

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/WYH76GFK27UCSBL2I4RGEZQNOQ \
  | 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: b60fff18aad7e829057a472262660d741f23c299e6246e24b5b1c5cd74076819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0974de26a115cc19590efebbed6ec967b078a109307173c6f4f8464b14ae0053",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-06T21:33:02Z",
    "title_canon_sha256": "75897949053d9591f7eb6828e3c00230747d3a53954d3521546bb2d2b23e9868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1058",
    "kind": "arxiv",
    "version": 2
  }
}