Pith Number

pith:EXRDAJNG

pith:2022:EXRDAJNGXT5QLSQGX3GZQ2MDCB

not attested not anchored not stored refs pending

No-signalling constrains quantum computation with indefinite causal structure

Alessandro Bisio, Luca Apadula, Paolo Perinotti

arxiv:2202.10214 v3 · 2022-02-21 · 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{EXRDAJNGXT5QLSQGX3GZQ2MDCB}

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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

Polycategorical Constructions for Unitary Supermaps of Arbitrary Dimension

Order structure and signalling in higher order quantum maps

Receipt and verification

First computed	2026-07-05T07:41:36.170674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e23025a6bcfb05ca06becd986983107a2ce72f64968ebf9e5d632c117bb538

Aliases

arxiv: 2202.10214 · arxiv_version: 2202.10214v3 · doi: 10.48550/arxiv.2202.10214 · pith_short_12: EXRDAJNGXT5Q · pith_short_16: EXRDAJNGXT5QLSQG · pith_short_8: EXRDAJNG

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/EXRDAJNGXT5QLSQGX3GZQ2MDCB \
  | 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: 25e23025a6bcfb05ca06becd986983107a2ce72f64968ebf9e5d632c117bb538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "060e02d7ea96f60ef986c6727104d66036f3e07fa008269199f483616b495fd0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-21T13:43:50Z",
    "title_canon_sha256": "92071ca1a7595cb045c10181407e95f9eaf88643f4e7fa8bba75b68b84db93bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10214",
    "kind": "arxiv",
    "version": 3
  }
}