Pith Number

pith:CKO6KNGG

pith:2015:CKO6KNGGTA7GB3BDU3ZUPMJHG4

not attested not anchored not stored refs pending

Degradable Quantum Channels Using Pure to Product of Pure States Isometries

Robert B. Griffiths, Vikesh Siddhu

arxiv:1511.05532 v3 · 2015-11-17 · 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{CKO6KNGGTA7GB3BDU3ZUPMJHG4}

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	2026-05-18T00:50:31.201086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

129de534c6983e60ec23a6f347b12737366a4bc496a3ed521fd393cda7922e66

Aliases

arxiv: 1511.05532 · arxiv_version: 1511.05532v3 · doi: 10.48550/arxiv.1511.05532 · pith_short_12: CKO6KNGGTA7G · pith_short_16: CKO6KNGGTA7GB3BD · pith_short_8: CKO6KNGG

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/CKO6KNGGTA7GB3BDU3ZUPMJHG4 \
  | 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: 129de534c6983e60ec23a6f347b12737366a4bc496a3ed521fd393cda7922e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5061452fe4f63062e63a8fecdc141bb72102f8961deb7d0f9c264c66e74ccc12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-11-17T20:12:50Z",
    "title_canon_sha256": "030911d88471d0c8321b900ae84d7154c577705d96540169481d7a23a38a8441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05532",
    "kind": "arxiv",
    "version": 3
  }
}