Pith Number

pith:ZG42EJCQ

pith:2025:ZG42EJCQ4EF43YV7P5Z4WUJEXB

not attested not anchored not stored refs pending

Time-Dependent Hamiltonian Simulation via Time-Independent Dynamics in a Larger Space

Chunhao Wang, Zecheng Li

arxiv:2507.19345 v1 · 2025-07-25 · 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{ZG42EJCQ4EF43YV7P5Z4WUJEXB}

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.

Cited by

1 paper in Pith

High-order Magnus Expansion for Hamiltonian Simulation

Receipt and verification

First computed	2026-07-05T11:43:23.885141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9b9a22450e10bcde2bf7f73cb5124b855120f57ae6c52b88ba467ac1be0ed47

Aliases

arxiv: 2507.19345 · arxiv_version: 2507.19345v1 · doi: 10.48550/arxiv.2507.19345 · pith_short_12: ZG42EJCQ4EF4 · pith_short_16: ZG42EJCQ4EF43YV7 · pith_short_8: ZG42EJCQ

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/ZG42EJCQ4EF43YV7P5Z4WUJEXB \
  | 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: c9b9a22450e10bcde2bf7f73cb5124b855120f57ae6c52b88ba467ac1be0ed47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97bdfb7a2e76ecb30c9ff14eb06eac8039ea619bbf2a6b959bfd0da2785ee99e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-25T14:55:44Z",
    "title_canon_sha256": "7f0a01088bc4576bcc15ee4daf452133823da90d7de881c4a099eb311b63e681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19345",
    "kind": "arxiv",
    "version": 1
  }
}