Pith Number

pith:5OE6PRC2

pith:2018:5OE6PRC2IW3YGKRTWXDFCAEYV6

not attested not anchored not stored refs pending

Fast state tomography with optimal error bounds

Joel A. Tropp, Jonas Kahn, Madalin Guta, Richard Kueng

arxiv:1809.11162 v1 · 2018-09-28 · quant-ph · cs.IT · math.IT · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OE6PRC2IW3YGKRTWXDFCAEYV6}

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

2 papers in Pith

Connecting Quantum Tomography and Quantum Retrodiction

Probabilistic and approximate universal quantum purification machines

Receipt and verification

First computed	2026-07-05T07:26:08.252397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb89e7c45a45b7832a33b5c6510098afb3ab66128c61b26977f667d81353f568

Aliases

arxiv: 1809.11162 · arxiv_version: 1809.11162v1 · doi: 10.48550/arxiv.1809.11162 · pith_short_12: 5OE6PRC2IW3Y · pith_short_16: 5OE6PRC2IW3YGKRT · pith_short_8: 5OE6PRC2

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/5OE6PRC2IW3YGKRTWXDFCAEYV6 \
  | 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: eb89e7c45a45b7832a33b5c6510098afb3ab66128c61b26977f667d81353f568

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c377739fea84cd250dce15d5d1c7a71999c6adeb97038cfe4e71d688708e46be",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-28T17:48:50Z",
    "title_canon_sha256": "58515ea5842c6d540eae23e88f307eed51c547b27684b189484446e95ec07742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.11162",
    "kind": "arxiv",
    "version": 1
  }
}