Pith Number

pith:PRVZMI72

pith:2021:PRVZMI72BRUHZU2D4TWKMZOV4J

not attested not anchored not stored refs pending

Universal unitary transfer of continuous-variable quantum states into a few qubits

Jacob Hastrup, Jonatan Bohr Brask, Kimin Park, Radim Filip, Ulrik Lund Andersen

arxiv:2106.12272 v1 · 2021-06-23 · 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{PRVZMI72BRUHZU2D4TWKMZOV4J}

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	2026-07-05T04:11:46.495750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6b9623fa0c687cd343e4eca665d5e265fb155d9c65642f34fe8e9816bafe4f

Aliases

arxiv: 2106.12272 · arxiv_version: 2106.12272v1 · doi: 10.48550/arxiv.2106.12272 · pith_short_12: PRVZMI72BRUH · pith_short_16: PRVZMI72BRUHZU2D · pith_short_8: PRVZMI72

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/PRVZMI72BRUHZU2D4TWKMZOV4J \
  | 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: 7c6b9623fa0c687cd343e4eca665d5e265fb155d9c65642f34fe8e9816bafe4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2481c6b27d3cf1d4b97f702ede444fbabb6f38d3cae16128d9f32d9ff102d333",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-23T09:50:13Z",
    "title_canon_sha256": "9d04e80e1f2619eeffd4a5705ad4842a99f8a4c99a9c6c98dd20831470ee4b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12272",
    "kind": "arxiv",
    "version": 1
  }
}