Pith Number

pith:BX6U5I25

pith:2025:BX6U5I25GCMVMH5DRKJBV67VUO

not attested not anchored not stored refs pending

A silicon spin vacuum: isotopically enriched $^{28}$silicon-on-insulator and $^{28}$silicon from ultra-high fluence ion implantation

Alexander M. Jakob, Bin Gong, Brett C. Johnson, Danielle Holmes, David N. Jamieson, Jeffrey C. McCallum, Jim S. Williams, Nico Klingner, Sergey Rubanov, Shao Qi Lim

arxiv:2504.03332 v2 · 2025-04-04 · cond-mat.mtrl-sci · physics.comp-ph · 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{BX6U5I25GCMVMH5DRKJBV67VUO}

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	2026-07-05T11:34:07.083808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dfd4ea35d3099561fa38a921afbf5a3988332fb08d4765dec425affdaceb89e

Aliases

arxiv: 2504.03332 · arxiv_version: 2504.03332v2 · doi: 10.48550/arxiv.2504.03332 · pith_short_12: BX6U5I25GCMV · pith_short_16: BX6U5I25GCMVMH5D · pith_short_8: BX6U5I25

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/BX6U5I25GCMVMH5DRKJBV67VUO \
  | 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: 0dfd4ea35d3099561fa38a921afbf5a3988332fb08d4765dec425affdaceb89e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8afc473a59a12e43c45b079d75b4e1eb120b563c9068223c010bc9a6d33d403",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-04-04T10:25:08Z",
    "title_canon_sha256": "686d2dc878d22045cc0e18c13175c36d87c40d40be65b2d1e30d4ef40f681c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03332",
    "kind": "arxiv",
    "version": 2
  }
}