Pith Number

pith:64SCDAGQ

pith:2018:64SCDAGQ25VRW5BAFV3P3BDRU3

not attested not anchored not stored refs pending

Magnus-Zassenhaus methods for the semiclassical Schr\"odinger equation with oscillatory time-dependent potentials

Arieh Iserles, Karolina Kropielnicka, Pranav Singh

arxiv:1801.06912 v2 · 2018-01-21 · math.NA · physics.chem-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{64SCDAGQ25VRW5BAFV3P3BDRU3}

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	2026-05-18T00:14:28.472645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7242180d0d76b1b74202d76fd8471a6e1ffc19d495dee1b0a99c8c9ed406261

Aliases

arxiv: 1801.06912 · arxiv_version: 1801.06912v2 · doi: 10.48550/arxiv.1801.06912 · pith_short_12: 64SCDAGQ25VR · pith_short_16: 64SCDAGQ25VRW5BA · pith_short_8: 64SCDAGQ

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/64SCDAGQ25VRW5BAFV3P3BDRU3 \
  | 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: f7242180d0d76b1b74202d76fd8471a6e1ffc19d495dee1b0a99c8c9ed406261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9011c0ed62bbc9b3a8e0748b5a27910e4d290d6fc3c1b2c67e8eb68d855769f3",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-21T23:36:12Z",
    "title_canon_sha256": "09b872667f14dfd2188fdd01514f0508a42dd612f1ccfda05b281be427080ee8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06912",
    "kind": "arxiv",
    "version": 2
  }
}