Pith Number

pith:QJ6W7IET

pith:2025:QJ6W7IETGOS5B7NUVND7TSPU6H

not attested not anchored not stored refs pending

Ultralong-lived Coherent States in Eu$^{3+}$:Y$_2$O$_3$ Optical Ceramics for Quantum Memories

Diana Serrano, Dingyuan Tang, Fudong Wang, Jun Wang, Manjin Zhong, Miaomiao Ren, Philippe Goldner, Shuping Liu, Wanting Xiao, Xiantong An, Yuting Liu

arxiv:2502.16222 v1 · 2025-02-22 · 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{QJ6W7IETGOS5B7NUVND7TSPU6H}

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	2026-07-05T10:18:23.387932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827d6fa09333a5d0fdb4ab47f9c9f4f1fd650cf94dfc4f171d9c79c2bb6aa680

Aliases

arxiv: 2502.16222 · arxiv_version: 2502.16222v1 · doi: 10.48550/arxiv.2502.16222 · pith_short_12: QJ6W7IETGOS5 · pith_short_16: QJ6W7IETGOS5B7NU · pith_short_8: QJ6W7IET

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/QJ6W7IETGOS5B7NUVND7TSPU6H \
  | 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: 827d6fa09333a5d0fdb4ab47f9c9f4f1fd650cf94dfc4f171d9c79c2bb6aa680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa0506b05592b159d595028c6bdaad9aba17bf2faf026b3cc2a23f96ff49cdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-22T13:21:09Z",
    "title_canon_sha256": "cd2b9e8ca080d9be7f1d44fbbdd8681811222da86452bac0afc005dcbe1cb100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16222",
    "kind": "arxiv",
    "version": 1
  }
}