Pith Number

pith:JCSONW3T

pith:2026:JCSONW3TUEZHPGI3HZ4CH3JYPH

not attested not anchored not stored refs pending

Adaptive directional gradients for parameterised quantum circuits

Brian Coyle, El Amine Cherrat, Elham Kashefi, Snehal Raj, Virag Umathe

arxiv:2606.09734 v1 · 2026-06-08 · quant-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCSONW3TUEZHPGI3HZ4CH3JYPH}

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	2026-06-09T02:09:06.723621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48a4e6db73a13277991b3e7823ed3879d2e7f8af90460580ba3f49a0f6b87e21

Aliases

arxiv: 2606.09734 · arxiv_version: 2606.09734v1 · doi: 10.48550/arxiv.2606.09734 · pith_short_12: JCSONW3TUEZH · pith_short_16: JCSONW3TUEZHPGI3 · pith_short_8: JCSONW3T

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/JCSONW3TUEZHPGI3HZ4CH3JYPH \
  | 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: 48a4e6db73a13277991b3e7823ed3879d2e7f8af90460580ba3f49a0f6b87e21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b3338146d72fa32d8d6cd078de813a3a58675e9122a330c349ca68fe32aada2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-08T16:59:58Z",
    "title_canon_sha256": "27e46bb1e142845c37a5064507f3337ac8b5819170225cea2dd1e5be8eb5200a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09734",
    "kind": "arxiv",
    "version": 1
  }
}