Pith Number

pith:RLMYSDUT

pith:2025:RLMYSDUT6WS772V4UNECMGBDN2

not attested not anchored not stored refs pending

Online Quantum State Tomography via Stochastic Gradient Descent

Jerry Zhijian Yang, Jian-Feng Cai, Juntao You, Xiliang Lu, Yinan Li, Yuling Jiao

arxiv:2507.07601 v1 · 2025-07-10 · 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{RLMYSDUT6WS772V4UNECMGBDN2}

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.

Cited by

2 papers in Pith

Structured Factorization Approaches for Quantum State Tomography

Online Riemannian Gradient Descent for Quantum State Tomography with Matrix Product Operators

Receipt and verification

First computed	2026-07-05T11:35:01.719062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ad9890e93f5a5ffeabca3482618236e8bc2ce410606f84744ff6b9092d95cba

Aliases

arxiv: 2507.07601 · arxiv_version: 2507.07601v1 · doi: 10.48550/arxiv.2507.07601 · pith_short_12: RLMYSDUT6WS7 · pith_short_16: RLMYSDUT6WS772V4 · pith_short_8: RLMYSDUT

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/RLMYSDUT6WS772V4UNECMGBDN2 \
  | 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: 8ad9890e93f5a5ffeabca3482618236e8bc2ce410606f84744ff6b9092d95cba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913d6c4c01e8996127d108ac47b21f89b47f7e97be91c108d6814aa7a9502770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-10T10:02:52Z",
    "title_canon_sha256": "69a187eaf6a64d27d2482548a539ae6a3fc9e1d982d5cc5343ff849e016787d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07601",
    "kind": "arxiv",
    "version": 1
  }
}