Pith Number

pith:KAJXGZLB

pith:2011:KAJXGZLB62T45ZMFMBB2GJGSXD

not attested not anchored not stored refs pending

Self-calibrating Quantum State Tomography

Aephraim M. Steinberg, Agata M. Branczyk, Ardavan Darabi, Daniel F. V. James, Dylan H. Mahler, Lee A. Rozema

arxiv:1112.4492 v2 · 2011-12-19 · 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{KAJXGZLB62T45ZMFMBB2GJGSXD}

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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

Efficient classical training of model-free quantum photonic reservoir

Receipt and verification

First computed	2026-05-18T03:49:34.937109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5013736561f6a7cee5856043a324d2b8ef961c702b3f37ce4bf15dd1ad218160

Aliases

arxiv: 1112.4492 · arxiv_version: 1112.4492v2 · doi: 10.48550/arxiv.1112.4492 · pith_short_12: KAJXGZLB62T4 · pith_short_16: KAJXGZLB62T45ZMF · pith_short_8: KAJXGZLB

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/KAJXGZLB62T45ZMFMBB2GJGSXD \
  | 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: 5013736561f6a7cee5856043a324d2b8ef961c702b3f37ce4bf15dd1ad218160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8da0f94b70f588db1c4465600a65907fd70a597d54c7ef57a6f49ef6d7d63e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-19T21:03:36Z",
    "title_canon_sha256": "330636c177926ea40998f8752860181782f94b8b759afe2188ee9e002c938671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4492",
    "kind": "arxiv",
    "version": 2
  }
}