Pith Number

pith:EQWSJ62Q

pith:2012:EQWSJ62QEA7BJDJERYE5PM3BU4

not attested not anchored not stored refs pending

Towards a complete, continuous, Wigner function for an ensemble of spins or qubits

Derek Harland, Kae Nemoto, M. J. Everitt, T. P. Spiller, T. Tilma

arxiv:1210.2300 v3 · 2012-10-08 · 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{EQWSJ62QEA7BJDJERYE5PM3BU4}

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	2026-05-18T03:32:07.688130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242d24fb50203e148d248e09d7b361a7061c74b88fb3ed23ae2f6ab576b48278

Aliases

arxiv: 1210.2300 · arxiv_version: 1210.2300v3 · doi: 10.48550/arxiv.1210.2300 · pith_short_12: EQWSJ62QEA7B · pith_short_16: EQWSJ62QEA7BJDJE · pith_short_8: EQWSJ62Q

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/EQWSJ62QEA7BJDJERYE5PM3BU4 \
  | 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: 242d24fb50203e148d248e09d7b361a7061c74b88fb3ed23ae2f6ab576b48278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f4950ecd2bafc7ab5c79ae734e1e404fa278a27d7c1446a7d7b5121fb884f8",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-08T14:59:29Z",
    "title_canon_sha256": "92afdd68c8550e57a303d6f6a84ee0c30bc166740ef01c1ea96ef5a37addad32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2300",
    "kind": "arxiv",
    "version": 3
  }
}