Pith Number

pith:LQVUWDPM

pith:2025:LQVUWDPMFVVKUA4NZ6FZTT5AWW

not attested not anchored not stored refs pending

Quantum oracles for the finite element method

Alessandro Ciani, Sven Danz, Tobias Stollenwerk

arxiv:2504.19827 v1 · 2025-04-28 · 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{LQVUWDPMFVVKUA4NZ6FZTT5AWW}

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	2026-06-02T02:04:46.792890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c2b4b0dec2d6aaa038dcf8b99cfa0b5a8ee0ffabaca021037c882e2dc1ed2da

Aliases

arxiv: 2504.19827 · arxiv_version: 2504.19827v1 · doi: 10.48550/arxiv.2504.19827 · pith_short_12: LQVUWDPMFVVK · pith_short_16: LQVUWDPMFVVKUA4N · pith_short_8: LQVUWDPM

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/LQVUWDPMFVVKUA4NZ6FZTT5AWW \
  | 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: 5c2b4b0dec2d6aaa038dcf8b99cfa0b5a8ee0ffabaca021037c882e2dc1ed2da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49a8ad9e58172e63e1c1d775199b29ad4b46d7cef8db62ae8558273189cef4f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-28T14:28:31Z",
    "title_canon_sha256": "cfe2974ab118ac41a31be037f3c416eca9917084268333a36b18786a55daff9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19827",
    "kind": "arxiv",
    "version": 1
  }
}