Pith Number

pith:NYZVO3E4

pith:2017:NYZVO3E46MLGXKFTBDVNUEBEDE

not attested not anchored not stored refs pending

Mixed-state certification of quantum capacities for noisy communication channels

Chiara Macchiavello, Massimiliano F. Sacchi

arxiv:1712.06867 v1 · 2017-12-19 · 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{NYZVO3E46MLGXKFTBDVNUEBEDE}

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	2026-05-18T00:26:35.737656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e33576c9cf3166ba8b308eada10241902a8449587faca6cacf28c4b816e03b5

Aliases

arxiv: 1712.06867 · arxiv_version: 1712.06867v1 · doi: 10.48550/arxiv.1712.06867 · pith_short_12: NYZVO3E46MLG · pith_short_16: NYZVO3E46MLGXKFT · pith_short_8: NYZVO3E4

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/NYZVO3E46MLGXKFTBDVNUEBEDE \
  | 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: 6e33576c9cf3166ba8b308eada10241902a8449587faca6cacf28c4b816e03b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9945cabdca1ee2c0ca106307fb08be3e2fa6ff72ddc649a1e91ae95eef9a9a3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-12-19T11:11:07Z",
    "title_canon_sha256": "e28693a576d65176d2670f554adbe2af90f9bcc7f7b0286e826ac699b906b31a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06867",
    "kind": "arxiv",
    "version": 1
  }
}