Pith Number

pith:HDHAG7F4

pith:2025:HDHAG7F4TY3AQYJ3YNVR2CCA5B

not attested not anchored not stored refs pending

Quantum Optimization via Gradient-Based Hamiltonian Descent

Bin Shi, Jiaqi Leng

arxiv:2505.14670 v1 · 2025-05-20 · quant-ph · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDHAG7F4TY3AQYJ3YNVR2CCA5B}

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

Heisenberg-Limited Quantum Hamiltonian Learning via Randomly Spread Product-States

Receipt and verification

First computed	2026-07-05T11:06:17.362782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ce037cbc9e3608613bc36b1d0840e85ccffb4a0b932075416dc3ef2fd4db69

Aliases

arxiv: 2505.14670 · arxiv_version: 2505.14670v1 · doi: 10.48550/arxiv.2505.14670 · pith_short_12: HDHAG7F4TY3A · pith_short_16: HDHAG7F4TY3AQYJ3 · pith_short_8: HDHAG7F4

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/HDHAG7F4TY3AQYJ3YNVR2CCA5B \
  | 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: 38ce037cbc9e3608613bc36b1d0840e85ccffb4a0b932075416dc3ef2fd4db69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca183b2a5f78814708b4d4f40b9859eca13995577f279a4c273691e2d0075020",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-20T17:55:52Z",
    "title_canon_sha256": "2cc34b99d2298d4ba55add8b9d8ba1b4d5cb5fbe9faabf0d83b9d5f3f9ac5acc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14670",
    "kind": "arxiv",
    "version": 1
  }
}