Pith Number

pith:ATDBNGD6

pith:2022:ATDBNGD6VRJXLFWIDOB4CCVGK6

not attested not anchored not stored refs pending

Quantum cryptography with classical communication: parallel remote state preparation for copy-protection, verification, and more

Alexander Poremba, Alexandru Gheorghiu, Tony Metger

arxiv:2201.13445 v2 · 2022-01-31 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATDBNGD6VRJXLFWIDOB4CCVGK6}

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

2 papers in Pith

Exploiting all ancilla outcomes in linear combinations of unitaries: low-rank recovery and quantum trapdoor functions

Receipt and verification

First computed	2026-07-05T04:54:50.735452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04c616987eac537596c81b83c10aa657b572625eda789a8544fb005ced3d0b6b

Aliases

arxiv: 2201.13445 · arxiv_version: 2201.13445v2 · doi: 10.48550/arxiv.2201.13445 · pith_short_12: ATDBNGD6VRJX · pith_short_16: ATDBNGD6VRJXLFWI · pith_short_8: ATDBNGD6

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/ATDBNGD6VRJXLFWIDOB4CCVGK6 \
  | 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: 04c616987eac537596c81b83c10aa657b572625eda789a8544fb005ced3d0b6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4868ef4760de93b60cf20338b5270cc5487c422f8bb9596999ba2a2b509d6d58",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-31T18:56:31Z",
    "title_canon_sha256": "32ad3a0066ccc80bf947a96a624b0134e3cc6eafb13cf51786202af49f429772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13445",
    "kind": "arxiv",
    "version": 2
  }
}