Pith Number

pith:LD2QBNN4

pith:2011:LD2QBNN4FR5K23TUZVTXPRDK3N

not attested not anchored not stored refs pending

Optimal Probabilistic Simulation of Quantum Channels from the Future to the Past

Dina Genkina, Giulio Chiribella, Lucien Hardy

arxiv:1112.1469 v2 · 2011-12-07 · 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{LD2QBNN4FR5K23TUZVTXPRDK3N}

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	2026-05-18T02:21:27.584791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f500b5bc2c7aad6e74cd6777c46adb6b87844e62fb37e6f60033f01987d9c7

Aliases

arxiv: 1112.1469 · arxiv_version: 1112.1469v2 · doi: 10.48550/arxiv.1112.1469 · pith_short_12: LD2QBNN4FR5K · pith_short_16: LD2QBNN4FR5K23TU · pith_short_8: LD2QBNN4

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/LD2QBNN4FR5K23TUZVTXPRDK3N \
  | 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: 58f500b5bc2c7aad6e74cd6777c46adb6b87844e62fb37e6f60033f01987d9c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53f2189abb9a5c774b1c83e35652e780e881ef4785f59981776a5d2038c636d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-07T04:38:42Z",
    "title_canon_sha256": "a5e6da42e082a2c08b81a190ca73ca6141f4755242803c6ac8f20ea6a0ae5ad4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1469",
    "kind": "arxiv",
    "version": 2
  }
}