Pith Number

pith:V2IX7QZO

pith:2025:V2IX7QZOEJWOIQGNXNGCNLFVCI

not attested not anchored not stored refs pending

Physical Emulation of Nonlinear Spin System Hamiltonians via Closed Loop Feedforward Control of a Collective Atomic Spin

Ian Pannemarsh

arxiv:2507.22132 v1 · 2025-07-29 · quant-ph · physics.atom-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{V2IX7QZOEJWOIQGNXNGCNLFVCI}

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	2026-07-05T11:45:17.013242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae917fc32e226ce440cdbb4c26acb512372fba6dbf282a5ba512e51efc3d7a22

Aliases

arxiv: 2507.22132 · arxiv_version: 2507.22132v1 · doi: 10.48550/arxiv.2507.22132 · pith_short_12: V2IX7QZOEJWO · pith_short_16: V2IX7QZOEJWOIQGN · pith_short_8: V2IX7QZO

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/V2IX7QZOEJWOIQGNXNGCNLFVCI \
  | 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: ae917fc32e226ce440cdbb4c26acb512372fba6dbf282a5ba512e51efc3d7a22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f21b16f77158da6556290db476bf1baeb0f42e06eae751068805f69fba25e7",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-29T18:03:36Z",
    "title_canon_sha256": "9bf7ea83ac11182c1925567e3d133b42b676a4d37097eab86e55e6dff828850a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22132",
    "kind": "arxiv",
    "version": 1
  }
}