Pith Number

pith:D7KPHTBL

pith:2025:D7KPHTBLNJ37GOYFZ2NL6OGYHQ

not attested not anchored not stored refs pending

Qualitative differences in the robust controllability of model two-qubit systems

Anirban Dey, Daniel Burgarth, Mattias T. Johnsson

arxiv:2502.04102 v2 · 2025-02-06 · 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{D7KPHTBLNJ37GOYFZ2NL6OGYHQ}

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	2026-07-05T10:35:45.752575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd4f3cc2b6a77f33b05ce9abf38d83c21d96df9884ff8f694d88c53cb8e6372

Aliases

arxiv: 2502.04102 · arxiv_version: 2502.04102v2 · doi: 10.48550/arxiv.2502.04102 · pith_short_12: D7KPHTBLNJ37 · pith_short_16: D7KPHTBLNJ37GOYF · pith_short_8: D7KPHTBL

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/D7KPHTBLNJ37GOYFZ2NL6OGYHQ \
  | 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: 1fd4f3cc2b6a77f33b05ce9abf38d83c21d96df9884ff8f694d88c53cb8e6372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35b8ac3a4929f147052c6e48878042bfac379790a38d12ab7fbcb5d797213136",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-06T14:25:15Z",
    "title_canon_sha256": "91c1d504402322ed2cb92f23ce1010bdc99d0c1feeeed66e27e640f83e34e475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04102",
    "kind": "arxiv",
    "version": 2
  }
}