pith. sign in
Pith Number

pith:2EIFRXQ5

pith:2014:2EIFRXQ5IYTYHKH4UVR5PFM5A2
not attested not anchored not stored refs pending

Observing a Quantum Phase Transition by Measuring a Single Spin

Andreas Buchleitner, Hartmut Haeffner, Heinz-Peter Breuer, Manuel Gessner, Michael Ramm

arxiv:1403.4066 v2 · 2014-03-17 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2EIFRXQ5IYTYHKH4UVR5PFM5A2}

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 2026-05-18T02:45:31.511876Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d11058de1d462783a8fca563d7959d06a4e5e0e8cb613f5da8aeadffd071c5b2

Aliases

arxiv: 1403.4066 · arxiv_version: 1403.4066v2 · doi: 10.48550/arxiv.1403.4066 · pith_short_12: 2EIFRXQ5IYTY · pith_short_16: 2EIFRXQ5IYTYHKH4 · pith_short_8: 2EIFRXQ5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2EIFRXQ5IYTYHKH4UVR5PFM5A2 \
  | 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: d11058de1d462783a8fca563d7959d06a4e5e0e8cb613f5da8aeadffd071c5b2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dc1d5c96b81752aafe97c77b2d7ddcc8eade769502b53d56df8f977560c7723e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-17T11:11:28Z",
    "title_canon_sha256": "21b7dcd03a4360ef36eadaf6ea1d9ed765b1477ba80dc0929bcc0c2bc5089e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4066",
    "kind": "arxiv",
    "version": 2
  }
}