Pith Number

pith:7LE3DUDR

pith:2012:7LE3DUDRUZUXJHKU266I7QUH5X

not attested not anchored not stored refs pending

Rank-based model selection for multiple ions quantum tomography

Ian Dryden, Madalin Guta, Theodore Kypraios

arxiv:1206.4032 v1 · 2012-06-18 · quant-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LE3DUDRUZUXJHKU266I7QUH5X}

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	2026-05-18T03:40:02.925912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac9b1d071a669749d54d7bc8fc287edf32a65a395d72ff3e65f843349b01e48

Aliases

arxiv: 1206.4032 · arxiv_version: 1206.4032v1 · doi: 10.48550/arxiv.1206.4032 · pith_short_12: 7LE3DUDRUZUX · pith_short_16: 7LE3DUDRUZUXJHKU · pith_short_8: 7LE3DUDR

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/7LE3DUDRUZUXJHKU266I7QUH5X \
  | 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: fac9b1d071a669749d54d7bc8fc287edf32a65a395d72ff3e65f843349b01e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ddbf6f1b95f92e626448f31ef07fe111799c425cbc878ac2ded888e0cee8e01",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-18T19:41:44Z",
    "title_canon_sha256": "48949d206d5115e1ed673d6621d2e0aac7dbd54bd84eab931d9121ded7c63029"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4032",
    "kind": "arxiv",
    "version": 1
  }
}