pith. sign in
Pith Number

pith:VP27VIWF

pith:2018:VP27VIWF56PQWHRWLZ57EG2CR2
not attested not anchored not stored refs pending

Friction-free quantum machines

Adolfo del Campo, Aur\'elia Chenu, Haibin Wu, Shujin Deng

arxiv:1804.00604 v2 · 2018-04-02 · quant-ph · cond-mat.quant-gas · cond-mat.stat-mech

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VP27VIWF56PQWHRWLZ57EG2CR2}

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 2026-05-17T23:47:21.058831Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

abf5faa2c5ef9f0b1e365e7bf21b428e9ef097ecefe4951e06a1fff86cd522e0

Aliases

arxiv: 1804.00604 · arxiv_version: 1804.00604v2 · doi: 10.48550/arxiv.1804.00604 · pith_short_12: VP27VIWF56PQ · pith_short_16: VP27VIWF56PQWHRW · pith_short_8: VP27VIWF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VP27VIWF56PQWHRWLZ57EG2CR2 \
  | 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: abf5faa2c5ef9f0b1e365e7bf21b428e9ef097ecefe4951e06a1fff86cd522e0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9872968fd4434224b734eaa870d11fb8192d52f1c4e41edca084d3ef4b4210ae",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-02T16:00:50Z",
    "title_canon_sha256": "f960f3189515c5d434db6f50de6378ae41a93edd205cb22031761f2d1d51fbab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00604",
    "kind": "arxiv",
    "version": 2
  }
}