Pith Number

pith:OFWCLCXH

pith:2018:OFWCLCXHSCFD3HDAPZUBLOAEHI

not attested not anchored not stored refs pending

Measurement of the entanglement spectrum of a symmetry-protected topological state using the IBM quantum computer

Curt W. von Keyserlingk, Kenny Choo, Nicolas Regnault, Titus Neupert

arxiv:1804.09725 v1 · 2018-04-25 · cond-mat.mes-hall · 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{OFWCLCXHSCFD3HDAPZUBLOAEHI}

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	2026-05-18T00:07:00.021551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

716c258ae7908a3d9c607e6815b8043a0fc6948ee0d7be1c45755e099f2a3dbb

Aliases

arxiv: 1804.09725 · arxiv_version: 1804.09725v1 · doi: 10.48550/arxiv.1804.09725 · pith_short_12: OFWCLCXHSCFD · pith_short_16: OFWCLCXHSCFD3HDA · pith_short_8: OFWCLCXH

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/OFWCLCXHSCFD3HDAPZUBLOAEHI \
  | 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: 716c258ae7908a3d9c607e6815b8043a0fc6948ee0d7be1c45755e099f2a3dbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "247e59e1ea0e1fd0d51f0f0406c63e6597690c29d5a206b7a072273f9ee37745",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-04-25T18:00:05Z",
    "title_canon_sha256": "903dc4643477df6d7ecb43a0c30b8051f0a8e91a4a900d0231228c20b39bce12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09725",
    "kind": "arxiv",
    "version": 1
  }
}