Pith Number

pith:BIOXLUME

pith:2026:BIOXLUMEWQYJU6FCASDFBNDHEP

not attested not anchored not stored refs pending

A Design Space Study of Density Matrix Parameterizations for Diffusion-Based Quantum State Tomography

Shuangju Chang

arxiv:2608.09625 v1 · 2026-08-10 · 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{BIOXLUMEWQYJU6FCASDFBNDHEP}

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	2026-08-11T02:24:38.729868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a1d75d184b4309a78a2048650b46723c46278199fe0549622ff321f556844e4

Aliases

arxiv: 2608.09625 · arxiv_version: 2608.09625v1 · doi: 10.48550/arxiv.2608.09625 · pith_short_12: BIOXLUMEWQYJ · pith_short_16: BIOXLUMEWQYJU6FC · pith_short_8: BIOXLUME

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/BIOXLUMEWQYJU6FCASDFBNDHEP \
  | 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: 0a1d75d184b4309a78a2048650b46723c46278199fe0549622ff321f556844e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6472304473a860015a3b3889cb6f4c0910237f38b27bad957cdea2ca2f6d94ef",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-10T14:05:36Z",
    "title_canon_sha256": "a997221f4af83be72d80b0d16be9241e5a9e79eb1e8c21087f5b1595ae11c8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09625",
    "kind": "arxiv",
    "version": 1
  }
}