Pith Number

pith:M4S2QJYB

pith:2022:M4S2QJYBCBLFQHXH2Z24DKZ4FB

not attested not anchored not stored refs pending

Faster Stochastic First-Order Method for Maximum-Likelihood Quantum State Tomography

Chung-En Tsai, Hao-Chung Cheng, Yen-Huan Li

arxiv:2211.12880 v1 · 2022-11-23 · quant-ph · cs.LG · math.OC · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4S2QJYBCBLFQHXH2Z24DKZ4FB}

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

1 paper in Pith

Online Quantum State Tomography via Stochastic Gradient Descent

Receipt and verification

First computed	2026-07-05T05:18:55.970263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6725a827011056581ee7d675c1ab3c284d09fbffb5dd0cf1dc74e0951ec890be

Aliases

arxiv: 2211.12880 · arxiv_version: 2211.12880v1 · doi: 10.48550/arxiv.2211.12880 · pith_short_12: M4S2QJYBCBLF · pith_short_16: M4S2QJYBCBLFQHXH · pith_short_8: M4S2QJYB

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/M4S2QJYBCBLFQHXH2Z24DKZ4FB \
  | 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: 6725a827011056581ee7d675c1ab3c284d09fbffb5dd0cf1dc74e0951ec890be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1677a29e48c5214cbb658e224fe09edb297f7bbf8de6cca84367db0c79a79b9c",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-11-23T11:35:47Z",
    "title_canon_sha256": "3d3a7d8843d27b3331d212b1034f3e47033116e414430c46e07b196674b4c607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.12880",
    "kind": "arxiv",
    "version": 1
  }
}