Pith Number

pith:5NX7WQT5

pith:2013:5NX7WQT5HZU2ASPEKRHTW5URRN

not attested not anchored not stored refs pending

Optimum Phase Space Probabilities From Quantum Tomography

(2) HBCSE, Arunabha S. Roy (1), London, Mumbai), S. M. Roy (2) ((1) King's College, Tata Institute of Fundamental Research

arxiv:1304.2857 v2 · 2013-04-10 · quant-ph · math-ph · 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{5NX7WQT5HZU2ASPEKRHTW5URRN}

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	2026-05-18T01:50:40.652015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb6ffb427d3e69a049e4544f3b76918b5cdd16d161c7fcdef00301fc24675705

Aliases

arxiv: 1304.2857 · arxiv_version: 1304.2857v2 · doi: 10.48550/arxiv.1304.2857 · pith_short_12: 5NX7WQT5HZU2 · pith_short_16: 5NX7WQT5HZU2ASPE · pith_short_8: 5NX7WQT5

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/5NX7WQT5HZU2ASPEKRHTW5URRN \
  | 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: eb6ffb427d3e69a049e4544f3b76918b5cdd16d161c7fcdef00301fc24675705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43cc7e89b8b740068f55705fc5d05f7a90a7b81d7f0f0e5c70215fcd88148df6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-10T07:05:03Z",
    "title_canon_sha256": "ec4f48e3c1b3fd89bd2cc8b9e4149b9d33f874668de96e027003d85306b9e341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2857",
    "kind": "arxiv",
    "version": 2
  }
}