Pith Number

pith:SAZPO6F2

pith:2003:SAZPO6F2MVIKE2Z52VALNATY2E

not attested not anchored not stored refs pending

The private classical capacity and quantum capacity of a quantum channel

I. Devetak (IBM)

arxiv:quant-ph/0304127 v6 · 2003-04-18 · 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{SAZPO6F2MVIKE2Z52VALNATY2E}

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

Rethinking quantum information in gravity and fields

Receipt and verification

First computed	2026-07-04T14:46:10.088678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9032f778ba6550a26b3dd540b68278d12acc69df13bd46d351efd57e85c53699

Aliases

arxiv: quant-ph/0304127 · arxiv_version: quant-ph/0304127v6 · doi: 10.48550/arxiv.quant-ph/0304127 · pith_short_12: SAZPO6F2MVIK · pith_short_16: SAZPO6F2MVIKE2Z5 · pith_short_8: SAZPO6F2

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/SAZPO6F2MVIKE2Z52VALNATY2E \
  | 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: 9032f778ba6550a26b3dd540b68278d12acc69df13bd46d351efd57e85c53699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09b2abfacfcdb8b36bd861b95d2c14f9a4b2b951f18c6e100b8ae5853d31adad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-04-18T17:04:15Z",
    "title_canon_sha256": "ed2c45fa3459a52eb1f9025420d520e2ee585009adf62e199e3199710769e4f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0304127",
    "kind": "arxiv",
    "version": 6
  }
}