Pith Number

pith:QBRV5MCE

pith:2018:QBRV5MCEIBVPCKTMFC66OS5N2K

not attested not anchored not stored refs pending

Projected Entangled Pair States with continuous virtual symmetries

Henrik Dreyer, J. Ignacio Cirac, Norbert Schuch

arxiv:1805.03659 v1 · 2018-05-09 · quant-ph · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBRV5MCEIBVPCKTMFC66OS5N2K}

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	2026-05-18T00:05:40.890341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80635eb044406af12a6c28bde74badd2bee3d5f29da97987f8d30d961739da29

Aliases

arxiv: 1805.03659 · arxiv_version: 1805.03659v1 · doi: 10.48550/arxiv.1805.03659 · pith_short_12: QBRV5MCEIBVP · pith_short_16: QBRV5MCEIBVPCKTM · pith_short_8: QBRV5MCE

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/QBRV5MCEIBVPCKTMFC66OS5N2K \
  | 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: 80635eb044406af12a6c28bde74badd2bee3d5f29da97987f8d30d961739da29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcc70d9fb6ec01db13793e133cb82c18e4ce4aac5c2f32dc09c322dc19d69ed1",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-09T18:00:03Z",
    "title_canon_sha256": "e8a52a1a75b85bda7959b0cb2c6f35522b9baf4127ec6d711e304b6726013afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03659",
    "kind": "arxiv",
    "version": 1
  }
}