Pith Number

pith:SAS3543Y

pith:2015:SAS3543Y2OBXTGBXJK6JQK6ADA

not attested not anchored not stored refs pending

Constrained Quantum Tomography of Semi-Algebraic Sets with Applications to Low-Rank Matrix Recovery

Michael Kech, Michael M. Wolf

arxiv:1507.00903 v3 · 2015-07-03 · quant-ph · cs.IT · math-ph · math.IT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAS3543Y2OBXTGBXJK6JQK6ADA}

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	2026-05-18T00:52:23.914594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9025bef378d3837998374abc982bc0181bf23029b8592df106acfe3d78286277

Aliases

arxiv: 1507.00903 · arxiv_version: 1507.00903v3 · doi: 10.48550/arxiv.1507.00903 · pith_short_12: SAS3543Y2OBX · pith_short_16: SAS3543Y2OBXTGBX · pith_short_8: SAS3543Y

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/SAS3543Y2OBXTGBXJK6JQK6ADA \
  | 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: 9025bef378d3837998374abc982bc0181bf23029b8592df106acfe3d78286277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "311124d7e67b9b08a2b0825ad85e7997aeba2dae75dcbb4fe67e9062b2b5e5b6",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-03T13:14:48Z",
    "title_canon_sha256": "18ea51bd49e5133bfdc74a8d30ec0c6c0d7867e5c99a4fb7c9b9071e04b7dac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00903",
    "kind": "arxiv",
    "version": 3
  }
}