Pith Number

pith:AOAYOVNS

pith:2015:AOAYOVNS6MGJF5TTWN4YJDJZK2

not attested not anchored not stored refs pending

Detecting lower bounds to quantum channel capacities

Chiara Macchiavello, Massimiliano F. Sacchi

arxiv:1510.00219 v2 · 2015-10-01 · 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{AOAYOVNS6MGJF5TTWN4YJDJZK2}

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	2026-05-18T01:17:25.305868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03818755b2f30c92f673b379848d3956aaa56e811c062ba68604ae9fa615ba9b

Aliases

arxiv: 1510.00219 · arxiv_version: 1510.00219v2 · doi: 10.48550/arxiv.1510.00219 · pith_short_12: AOAYOVNS6MGJ · pith_short_16: AOAYOVNS6MGJF5TT · pith_short_8: AOAYOVNS

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/AOAYOVNS6MGJF5TTWN4YJDJZK2 \
  | 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: 03818755b2f30c92f673b379848d3956aaa56e811c062ba68604ae9fa615ba9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6faa9444afd91650fb9600457826016b89e50f8493faa9804327e26a3c003e23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-01T13:20:03Z",
    "title_canon_sha256": "8e02932af7779ea180ef0633c32c97bce2d8783a3491e7154386e18318276a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00219",
    "kind": "arxiv",
    "version": 2
  }
}