Pith Number

pith:GFPY4BUJ

pith:2017:GFPY4BUJMOBVTDEFEU7WJ2LE45

not attested not anchored not stored refs pending

Room-temperature storage of quantum entanglement using decoherence-free subspace in a solid-state spin system

C. Zu, F. Wang, L. He, L.-M. Duan, P.-Y. Hou, W.-B. Wang, W.-G. Zhang, X.-X. Yuan, X.-Y. Chang, Y.-Y. Huang, Z.-Y. Zhang

arxiv:1706.03313 v2 · 2017-06-11 · 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{GFPY4BUJMOBVTDEFEU7WJ2LE45}

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	2026-05-18T00:30:44.427736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

315f8e06896383598c85253f64e964e74383a394a35e048ac920b4945f83e1c7

Aliases

arxiv: 1706.03313 · arxiv_version: 1706.03313v2 · doi: 10.48550/arxiv.1706.03313 · pith_short_12: GFPY4BUJMOBV · pith_short_16: GFPY4BUJMOBVTDEF · pith_short_8: GFPY4BUJ

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/GFPY4BUJMOBVTDEFEU7WJ2LE45 \
  | 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: 315f8e06896383598c85253f64e964e74383a394a35e048ac920b4945f83e1c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7d7261270478a86202fbacea4e9521beaf94da7dbe01f81693d6fdcf388df9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-11T06:36:37Z",
    "title_canon_sha256": "4dbda23d0a81f9229fe73dd369a5d3d821a60ef47fa5816d207f4ce4ce835eb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03313",
    "kind": "arxiv",
    "version": 2
  }
}