Pith Number

pith:NKM3XM63

pith:2021:NKM3XM637VNW3WEDVWSCWXUPER

not attested not anchored not stored refs pending

Classical State Masking over a Quantum Channel

Christian Deppe, Holger Boche, Uzi Pereg

arxiv:2109.12647 v2 · 2021-09-26 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKM3XM637VNW3WEDVWSCWXUPER}

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	2026-07-05T04:03:52.384434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a99bbb3dbfd5b6dd883ada42b5e8f245687eb05999c177ed808b0e8dec27166

Aliases

arxiv: 2109.12647 · arxiv_version: 2109.12647v2 · doi: 10.48550/arxiv.2109.12647 · pith_short_12: NKM3XM637VNW · pith_short_16: NKM3XM637VNW3WED · pith_short_8: NKM3XM63

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/NKM3XM637VNW3WEDVWSCWXUPER \
  | 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: 6a99bbb3dbfd5b6dd883ada42b5e8f245687eb05999c177ed808b0e8dec27166

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44ca9474c8a47ae834bc60cd4d53c3ca5b0fbc06fe46d296c119d6c8e7f4e007",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-26T16:29:27Z",
    "title_canon_sha256": "b23d3e866a874f1d88224ba7f1a05c02f20c64d44b6b88ef04af6558f602100c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12647",
    "kind": "arxiv",
    "version": 2
  }
}