Pith Number

pith:5LD4IXSJ

pith:2016:5LD4IXSJJ4ZKX2OGZOSQKLAP66

not attested not anchored not stored refs pending

Witnessing quantum capacities of correlated channels

Chiara Macchiavello, Massimiliano F. Sacchi

arxiv:1611.02857 v1 · 2016-11-09 · 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{5LD4IXSJJ4ZKX2OGZOSQKLAP66}

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	2026-05-18T00:56:11.799412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eac7c45e494f32abe9c6cba5052c0ff7bce87d480dd6c1846ffaef5977a722f4

Aliases

arxiv: 1611.02857 · arxiv_version: 1611.02857v1 · doi: 10.48550/arxiv.1611.02857 · pith_short_12: 5LD4IXSJJ4ZK · pith_short_16: 5LD4IXSJJ4ZKX2OG · pith_short_8: 5LD4IXSJ

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/5LD4IXSJJ4ZKX2OGZOSQKLAP66 \
  | 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: eac7c45e494f32abe9c6cba5052c0ff7bce87d480dd6c1846ffaef5977a722f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b7dda2b5758b6765fe929ec8807868421e4ed4e5b0b86a7379486701df6aaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-09T08:59:36Z",
    "title_canon_sha256": "dac6ab49a46d067e9bbb9cbdf37f6ea7580a7e1ef58dc684a6d2790b9a21f222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02857",
    "kind": "arxiv",
    "version": 1
  }
}