Pith Number

pith:KNU5JERE

pith:2024:KNU5JEREKZX75UNLFXCEHR6XPS

not attested not anchored not stored refs pending

Why Superconducting Ta Qubits Have Fewer Tunneling Two-Level Systems at the Air-Oxide Interface Than Nb Qubits

Clare C. Yu, Ruqian Wu, Zhe Wang

arxiv:2405.09842 v1 · 2024-05-16 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNU5JEREKZX75UNLFXCEHR6XPS}

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	2026-07-05T10:11:19.377844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5369d49224566ffed1ab2dc443c7d77c8b6007b8423336fe8667bfca4d70eee8

Aliases

arxiv: 2405.09842 · arxiv_version: 2405.09842v1 · doi: 10.48550/arxiv.2405.09842 · pith_short_12: KNU5JEREKZX7 · pith_short_16: KNU5JEREKZX75UNL · pith_short_8: KNU5JERE

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/KNU5JEREKZX75UNLFXCEHR6XPS \
  | 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: 5369d49224566ffed1ab2dc443c7d77c8b6007b8423336fe8667bfca4d70eee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90a55c4227044ff1c08230999c9390599ad1e1d5de0e60b69f6505b902a17ecc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2024-05-16T06:43:03Z",
    "title_canon_sha256": "158a844d094f4e0fbcbacfef9a00357d3cc30df8e548ed233f2f629b1ac4c68f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.09842",
    "kind": "arxiv",
    "version": 1
  }
}