Pith Number

pith:V6B3B4AU

pith:2024:V6B3B4AUN5VI7RERRAYXIWARU7

not attested not anchored not stored refs pending

Simple Quantum Gradient Descent Without Coherent Oracle Access

Nhat A. Nghiem

arxiv:2412.18309 v2 · 2024-12-24 · 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{V6B3B4AUN5VI7RERRAYXIWARU7}

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	2026-07-05T10:18:47.488680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af83b0f0146f6a8fc4918831745811a7eebcb0893129459763a66fd968ab96cf

Aliases

arxiv: 2412.18309 · arxiv_version: 2412.18309v2 · doi: 10.48550/arxiv.2412.18309 · pith_short_12: V6B3B4AUN5VI · pith_short_16: V6B3B4AUN5VI7RER · pith_short_8: V6B3B4AU

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/V6B3B4AUN5VI7RERRAYXIWARU7 \
  | 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: af83b0f0146f6a8fc4918831745811a7eebcb0893129459763a66fd968ab96cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4433e83864b26806d869c7d7a2c04a46a493e38aa6305a75c974d47494eea70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-12-24T09:48:38Z",
    "title_canon_sha256": "2de8501ffba6d167a2ece70e73e74c0dcaf287166148eafe6a28c15510870932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.18309",
    "kind": "arxiv",
    "version": 2
  }
}