Pith Number

pith:H5JX2RSO

pith:2019:H5JX2RSOGFNTSMTW243OYYSCQA

not attested not anchored not stored refs pending

Learning Quantum Graphical Models using Constrained Gradient Descent on the Stiefel Manifold

Byron Boots, Sandesh Adhikary, Siddarth Srinivasan

arxiv:1903.03730 v1 · 2019-03-09 · cs.LG · quant-ph · 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{H5JX2RSOGFNTSMTW243OYYSCQA}

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	2026-05-17T23:51:29.531145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f537d464e315b393276d736ec62428037387e17fb9b31f2818e1bb6971f5aca

Aliases

arxiv: 1903.03730 · arxiv_version: 1903.03730v1 · doi: 10.48550/arxiv.1903.03730 · pith_short_12: H5JX2RSOGFNT · pith_short_16: H5JX2RSOGFNTSMTW · pith_short_8: H5JX2RSO

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/H5JX2RSOGFNTSMTW243OYYSCQA \
  | 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: 3f537d464e315b393276d736ec62428037387e17fb9b31f2818e1bb6971f5aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06979f611da885e8ad1e96ca3a441f489d56625bb9cc3de5532c9d4668c67cc9",
    "cross_cats_sorted": [
      "quant-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-09T03:48:18Z",
    "title_canon_sha256": "ee2e1ae0faa8c9140f877456ae9f22f011bfb41b56c3a6bb65e44a415bca54cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03730",
    "kind": "arxiv",
    "version": 1
  }
}