Pith Number

pith:SVA3SUH7

pith:2008:SVA3SUH7CVWQV4IN4PYY5TUG2P

not attested not anchored not stored refs pending

Quantum Homodyne Tomography as an Informationally Complete Positive Operator Valued Measure

A. Toigo, E. De Vito, P. Albini

arxiv:0807.3437 v1 · 2008-07-22 · math-ph · math.MP · 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{SVA3SUH7CVWQV4IN4PYY5TUG2P}

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	2026-05-18T02:15:44.743364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9541b950ff156d0af10de3f18ece86d3da5df6d2f77af3796e38e72568f4a774

Aliases

arxiv: 0807.3437 · arxiv_version: 0807.3437v1 · doi: 10.48550/arxiv.0807.3437 · pith_short_12: SVA3SUH7CVWQ · pith_short_16: SVA3SUH7CVWQV4IN · pith_short_8: SVA3SUH7

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/SVA3SUH7CVWQV4IN4PYY5TUG2P \
  | 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: 9541b950ff156d0af10de3f18ece86d3da5df6d2f77af3796e38e72568f4a774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ad54f92918fd6916287055045092ee8ce1b24f0464d1fc25ab8a7000666dfc2",
    "cross_cats_sorted": [
      "math.MP",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-07-22T09:54:09Z",
    "title_canon_sha256": "dd0e82d7852a48719636bd218a76b3b719ad0907144af1091cf28e32c1b09a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3437",
    "kind": "arxiv",
    "version": 1
  }
}