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Pith Number

pith:HZ6EJ6F3

pith:1997:HZ6EJ6F375PDG4MM52EV2KCXNI
not attested not anchored not stored refs pending

Information transmission through a noisy quantum channel

Benjamin Schumacher, Howard Barnum, M. A. Nielsen

arxiv:quant-ph/9702049 v1 · 1997-02-26 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HZ6EJ6F375PDG4MM52EV2KCXNI}

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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

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:06:28.407503Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3e7c44f8bbff5e33718cee895d28576a28942a1434e87a6e4c01c00a6946dbfa

Aliases

arxiv: quant-ph/9702049 · arxiv_version: quant-ph/9702049v1 · doi: 10.48550/arxiv.quant-ph/9702049 · pith_short_12: HZ6EJ6F375PD · pith_short_16: HZ6EJ6F375PDG4MM · pith_short_8: HZ6EJ6F3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HZ6EJ6F375PDG4MM52EV2KCXNI \
  | 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: 3e7c44f8bbff5e33718cee895d28576a28942a1434e87a6e4c01c00a6946dbfa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3d7181219e549769b79bc89bf9288abf25936bafac64c4ce2102028a401b2daa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-02-26T04:42:44Z",
    "title_canon_sha256": "3214df2257591ab2629811221d1a0fe9807930fb635268f7675324bdeea54538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9702049",
    "kind": "arxiv",
    "version": 1
  }
}