Pith Number

pith:F5DUAV3O

pith:2012:F5DUAV3OGRFVFUMWQQE7U4TMXN

not attested not anchored not stored refs pending

Topological phases and multiqubit entanglement

Erik Sj\"oqvist, Kuldip Singh, Marie Ericsson, Mark S. Williamson, Markus Johansson

arxiv:1202.0716 v2 · 2012-02-03 · 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{F5DUAV3OGRFVFUMWQQE7U4TMXN}

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	2026-05-18T04:00:13.190303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4740576e344b52d1968409fa726cbb4c98d4ab40adc3ecf5cd9631be721d18

Aliases

arxiv: 1202.0716 · arxiv_version: 1202.0716v2 · doi: 10.48550/arxiv.1202.0716 · pith_short_12: F5DUAV3OGRFV · pith_short_16: F5DUAV3OGRFVFUMW · pith_short_8: F5DUAV3O

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/F5DUAV3OGRFVFUMWQQE7U4TMXN \
  | 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: 2f4740576e344b52d1968409fa726cbb4c98d4ab40adc3ecf5cd9631be721d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76e65ee52cc8192485fba53134c98ff674421c92857a789986236cae2297514",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-03T14:37:44Z",
    "title_canon_sha256": "b05586abf18ab8b0b8c91defec5e5aa7b6b246e992bffe6ba909ea4b92b5e2a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0716",
    "kind": "arxiv",
    "version": 2
  }
}