Pith Number

pith:P2HUOLWY

pith:2014:P2HUOLWYPJ3XJZNEFRIHLLC2GI

not attested not anchored not stored refs pending

Optimal Estimation of States in Quantum Image Processing

Mario Mastriani

arxiv:1406.5121 v1 · 2014-06-19 · 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{P2HUOLWYPJ3XJZNEFRIHLLC2GI}

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	2026-05-18T02:49:20.903875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e8f472ed87a7774e5a42c5075ac5a32141ec9c2c4a2d998c8f2e2d8b048b4eb

Aliases

arxiv: 1406.5121 · arxiv_version: 1406.5121v1 · doi: 10.48550/arxiv.1406.5121 · pith_short_12: P2HUOLWYPJ3X · pith_short_16: P2HUOLWYPJ3XJZNE · pith_short_8: P2HUOLWY

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/P2HUOLWYPJ3XJZNEFRIHLLC2GI \
  | 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: 7e8f472ed87a7774e5a42c5075ac5a32141ec9c2c4a2d998c8f2e2d8b048b4eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74d949d9a9e7a4e1c51bab8e12202db40bd2ef648564b210e4f4bf570c25340c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-06-19T17:38:50Z",
    "title_canon_sha256": "1546d525b5b342ff48fca7b38a948ee1b24620f0669b4eb00004936b9e47fd1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5121",
    "kind": "arxiv",
    "version": 1
  }
}