Pith Number

pith:XGD566JP

pith:2020:XGD566JPJQNMM3ZA3K4PQBKVSK

not attested not anchored not stored refs pending

Classical Communications with Indefinite Causal Order for $N$ completely depolarizing channels

Arun Kumar Pati, Kratveer Singh, Michal Sedlak, Sk Sazim

arxiv:2004.14339 v2 · 2020-04-29 · 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{XGD566JPJQNMM3ZA3K4PQBKVSK}

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

1 paper in Pith

Polycategorical Constructions for Unitary Supermaps of Arbitrary Dimension

Receipt and verification

First computed	2026-07-05T02:51:07.072879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b987df792f4c1ac66f20dab8f8055592ad104a5c6383516b681e681b9ccd7416

Aliases

arxiv: 2004.14339 · arxiv_version: 2004.14339v2 · doi: 10.48550/arxiv.2004.14339 · pith_short_12: XGD566JPJQNM · pith_short_16: XGD566JPJQNMM3ZA · pith_short_8: XGD566JP

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/XGD566JPJQNMM3ZA3K4PQBKVSK \
  | 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: b987df792f4c1ac66f20dab8f8055592ad104a5c6383516b681e681b9ccd7416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d71e2a6f25e08180c6b827a120aaccf1967c651de98780fac2ca29ef97bb76e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-29T17:11:14Z",
    "title_canon_sha256": "9016c57fc233def585e0dbacea64349ceb59f01fd2eba47e164b4025a8f12b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.14339",
    "kind": "arxiv",
    "version": 2
  }
}