Pith Number

pith:WU5VG3DI

pith:2019:WU5VG3DIC74XDQ4ZKC5JEQDO75

not attested not anchored not stored refs pending

Note on "Experimental Measurement of Quantum Metric Tensor and Related Topological Phase Transition with a Superconducting Qubit"

Dan-Wei Zhang, Hai-Feng Yu, Hui Yan, Shi-Liang Zhu, Xinsheng Tan, Yang Yu, Yan-Qing Zhu

arxiv:1908.06462 v1 · 2019-08-18 · 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{WU5VG3DIC74XDQ4ZKC5JEQDO75}

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	2026-07-04T23:58:15.998385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53b536c6817f971c39950ba92406eff5763e3b965b95bebd54561ffbbcf3954

Aliases

arxiv: 1908.06462 · arxiv_version: 1908.06462v1 · doi: 10.48550/arxiv.1908.06462 · pith_short_12: WU5VG3DIC74X · pith_short_16: WU5VG3DIC74XDQ4Z · pith_short_8: WU5VG3DI

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/WU5VG3DIC74XDQ4ZKC5JEQDO75 \
  | 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: b53b536c6817f971c39950ba92406eff5763e3b965b95bebd54561ffbbcf3954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00ea31ef948294526a30c203dffa32f33973c79536c625c0fbed70696b68c290",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-18T15:18:15Z",
    "title_canon_sha256": "cc58e48eb06b3c2515a0f6732649b3250a955a89e6b2be62b16669bb28be6c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06462",
    "kind": "arxiv",
    "version": 1
  }
}