Pith Number

pith:XY7SXDKS

pith:2015:XY7SXDKSJ6WJDN5CMT2DGJ7UXJ

not attested not anchored not stored refs pending

Time-evolution of quantum systems via a complex nonlinear Riccati equation. I. Conservative systems with time-independent Hamiltonian

Dieter Schuch, Hans Cruz, Octavio Casta\~nos, Oscar Rosas-Ortiz

arxiv:1505.02687 v1 · 2015-05-11 · quant-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{XY7SXDKSJ6WJDN5CMT2DGJ7UXJ}

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	2026-05-18T02:03:32.307366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be3f2b8d524fac91b7a264f43327f4ba40c1062d76b5d1957d0bb3b0e5676ab1

Aliases

arxiv: 1505.02687 · arxiv_version: 1505.02687v1 · doi: 10.48550/arxiv.1505.02687 · pith_short_12: XY7SXDKSJ6WJ · pith_short_16: XY7SXDKSJ6WJDN5C · pith_short_8: XY7SXDKS

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/XY7SXDKSJ6WJDN5CMT2DGJ7UXJ \
  | 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: be3f2b8d524fac91b7a264f43327f4ba40c1062d76b5d1957d0bb3b0e5676ab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "617ad313fa86114c1b5ce5213c1a6f33429bc77e2cd1d0d3b796806d69300d34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-11T16:18:23Z",
    "title_canon_sha256": "2993353de00cece965c1c03dd5e62bd4ebdd0f9ff1b9a2a67871e0854727f717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02687",
    "kind": "arxiv",
    "version": 1
  }
}