Pith Number

pith:RP6JQXW5

pith:2017:RP6JQXW5MF4MZ3PZMR7TLLEETV

not attested not anchored not stored refs pending

Spectral density of mixtures of random density matrices for qubits

Jiamei Wang, Lin Zhang, Zhihua Chen

arxiv:1708.02487 v2 · 2017-08-08 · 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{RP6JQXW5MF4MZ3PZMR7TLLEETV}

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	2026-05-18T00:18:05.284503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bfc985edd6178ccedf9647f35ac849d787fa446ac7d8b737f165688b1c1d1bf

Aliases

arxiv: 1708.02487 · arxiv_version: 1708.02487v2 · doi: 10.48550/arxiv.1708.02487 · pith_short_12: RP6JQXW5MF4M · pith_short_16: RP6JQXW5MF4MZ3PZ · pith_short_8: RP6JQXW5

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/RP6JQXW5MF4MZ3PZMR7TLLEETV \
  | 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: 8bfc985edd6178ccedf9647f35ac849d787fa446ac7d8b737f165688b1c1d1bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b768fac3fe4cde824eead194c0363639ad15172b4e34dbb74d53301139fc846a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-08T13:45:36Z",
    "title_canon_sha256": "f35d8edf769c1e476e8ac058afdd52d10df361e21182e1087e48072a23273c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02487",
    "kind": "arxiv",
    "version": 2
  }
}