Pith Number

pith:SJHSHYR3

pith:2018:SJHSHYR3G7QHCJE6RPQIGVN5W6

not attested not anchored not stored refs pending

Adaptive tomography of qubits: Purity versus statistical fluctuations

Aonan Zhang, Feixiang Xu, Lijian Zhang, Long Li, Yujie Zhang

arxiv:1805.04808 v1 · 2018-05-13 · 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{SJHSHYR3G7QHCJE6RPQIGVN5W6}

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	2026-05-18T00:06:39.842278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

924f23e23b37e071249e8be08355bdb7aa9e26e93c031c42de454342a463cb79

Aliases

arxiv: 1805.04808 · arxiv_version: 1805.04808v1 · doi: 10.48550/arxiv.1805.04808 · pith_short_12: SJHSHYR3G7QH · pith_short_16: SJHSHYR3G7QHCJE6 · pith_short_8: SJHSHYR3

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/SJHSHYR3G7QHCJE6RPQIGVN5W6 \
  | 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: 924f23e23b37e071249e8be08355bdb7aa9e26e93c031c42de454342a463cb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e48d60432f72723cd22708febc0e7bbb4882127d30d2ee941b2c5be1cd458e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-13T02:23:49Z",
    "title_canon_sha256": "c98dce76f63b79d9a5f60da768eea1e9ebc38622146dae15cfe8f1a0ad296c98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04808",
    "kind": "arxiv",
    "version": 1
  }
}