Pith Number

pith:W7QGKZWQ

pith:2019:W7QGKZWQVPUGJBZ6SC4YTH2GRJ

not attested not anchored not stored refs pending

Rank-1 lattices and higher-order exponential splitting for the time-dependent Schr\"odinger equation

Dirk Nuyens, Yuya Suzuki

arxiv:1905.06904 v2 · 2019-05-16 · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7QGKZWQVPUGJBZ6SC4YTH2GRJ}

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	2026-05-17T23:45:56.314623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e06566d0abe864873e90b9899f468a4f630c0d5a8b54d0b518af0bb8c6fff3

Aliases

arxiv: 1905.06904 · arxiv_version: 1905.06904v2 · doi: 10.48550/arxiv.1905.06904 · pith_short_12: W7QGKZWQVPUG · pith_short_16: W7QGKZWQVPUGJBZ6 · pith_short_8: W7QGKZWQ

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/W7QGKZWQVPUGJBZ6SC4YTH2GRJ \
  | 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: b7e06566d0abe864873e90b9899f468a4f630c0d5a8b54d0b518af0bb8c6fff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3efe28ac28f3208b4900ee42565c80531168cd4a7eec7f3fef09d6b327d9a93c",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-16T16:53:50Z",
    "title_canon_sha256": "2803e2fed048d7a5be07f350b694d263b7b7bee8afd53a1b9847da6f4374ef59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06904",
    "kind": "arxiv",
    "version": 2
  }
}