Pith Number

pith:OLDGD56R

pith:2017:OLDGD56R5QXZUEWN45POMY3VW4

not attested not anchored not stored refs pending

Simple proof of confidentiality for private quantum channels in noisy environments

A. Pirker, H. J. Briegel, M. Zwerger, V. Dunjko, W. D\"ur

arxiv:1711.08897 v2 · 2017-11-24 · 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{OLDGD56R5QXZUEWN45POMY3VW4}

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	2026-05-17T23:50:28.724786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c661f7d1ec2f9a12cde75ee66375b730745279d6635e0a9c946d7b2bb0c831

Aliases

arxiv: 1711.08897 · arxiv_version: 1711.08897v2 · doi: 10.48550/arxiv.1711.08897 · pith_short_12: OLDGD56R5QXZ · pith_short_16: OLDGD56R5QXZUEWN · pith_short_8: OLDGD56R

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/OLDGD56R5QXZUEWN45POMY3VW4 \
  | 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: 72c661f7d1ec2f9a12cde75ee66375b730745279d6635e0a9c946d7b2bb0c831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa12479dc2711095eb760f20858fc5f6cebf96695e085558e03a9b84dcaaf03c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-24T08:56:51Z",
    "title_canon_sha256": "cfbc41af541a035495626948e6ce1aa62dc2d90528a193bd8b7c3d45b4d72255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08897",
    "kind": "arxiv",
    "version": 2
  }
}