Pith Number

pith:TKHU2I37

pith:2013:TKHU2I37YVHLYSXRBKBO7XD7UD

not attested not anchored not stored refs pending

Solving the Schr\"odinger eigenvalue problem by the imaginary time propagation technique using splitting methods with complex coefficients

Fernando Casas, Philipp Bader, Sergio Blanes

arxiv:1304.6845 v2 · 2013-04-25 · math.NA · quant-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKHU2I37YVHLYSXRBKBO7XD7UD}

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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	2026-05-18T01:50:22.026403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a8f4d237fc54ebc4af10a82efdc7fa0fb56aa30758ca7f2ce0deb45b054fb02

Aliases

arxiv: 1304.6845 · arxiv_version: 1304.6845v2 · doi: 10.48550/arxiv.1304.6845 · pith_short_12: TKHU2I37YVHL · pith_short_16: TKHU2I37YVHLYSXR · pith_short_8: TKHU2I37

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/TKHU2I37YVHLYSXRBKBO7XD7UD \
  | 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: 9a8f4d237fc54ebc4af10a82efdc7fa0fb56aa30758ca7f2ce0deb45b054fb02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e06be3fd1b37df928589ea2a77250ecc12dfa25d89009028be59f8f0966910c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-25T09:34:50Z",
    "title_canon_sha256": "8939290f290c0b6487c9d1b07de877993880070d83bd8947a3ce576581a8a4a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6845",
    "kind": "arxiv",
    "version": 2
  }
}