Pith Number

pith:TJRIZM5U

pith:2026:TJRIZM5UBCCJLZJHMCVZWHMSD3

not attested not anchored not stored refs pending

Geometric Prototype Learning in Quantum Hilbert Space with Matrix Product States

An-Qi Jing, Jing Sun, Kun Zhang, Lei Ding, Min Tang, Sheng-Chen Bai, Shi-Ju Ran

arxiv:2605.17895 v1 · 2026-05-18 · 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{TJRIZM5UBCCJLZJHMCVZWHMSD3}

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	2026-05-20T00:05:04.462523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a628cb3b4088495e52760ab9b1d921ecde8ec103426aad5c517574dedf879d1

Aliases

arxiv: 2605.17895 · arxiv_version: 2605.17895v1 · doi: 10.48550/arxiv.2605.17895 · pith_short_12: TJRIZM5UBCCJ · pith_short_16: TJRIZM5UBCCJLZJH · pith_short_8: TJRIZM5U

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/TJRIZM5UBCCJLZJHMCVZWHMSD3 \
  | 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: 9a628cb3b4088495e52760ab9b1d921ecde8ec103426aad5c517574dedf879d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4219de41dc942b9d867a918bfb16cc71fbbed0f6d52018b845ade7dfd23e2a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-18T06:00:48Z",
    "title_canon_sha256": "8d010f747d772c25b5c2e178db98bb7088c4d0bcc3b2ade28ef60fcfcab627f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17895",
    "kind": "arxiv",
    "version": 1
  }
}