Pith Number

pith:K73FXEXY

pith:2025:K73FXEXYJ2XGFAPJOJWUT2L6O2

not attested not anchored not stored refs pending

Entanglement in the symmetric subspace: mapping multipartite to bipartite states

Carlo Marconi, Satoya Imai

arxiv:2504.01578 v4 · 2025-04-02 · 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{K73FXEXYJ2XGFAPJOJWUT2L6O2}

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	2026-06-04T01:09:37.383072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f65b92f84eae6281e9726d49e97e76b47d62981c04aa06e975f45f3cf27204

Aliases

arxiv: 2504.01578 · arxiv_version: 2504.01578v4 · doi: 10.48550/arxiv.2504.01578 · pith_short_12: K73FXEXYJ2XG · pith_short_16: K73FXEXYJ2XGFAPJ · pith_short_8: K73FXEXY

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/K73FXEXYJ2XGFAPJOJWUT2L6O2 \
  | 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: 57f65b92f84eae6281e9726d49e97e76b47d62981c04aa06e975f45f3cf27204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61585a37d770e6047e300adfc06c5ca893d014b0388c1afea410115564045b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-02T10:31:18Z",
    "title_canon_sha256": "5f4392c73172dd1a406c22b786c57b4ef48be69f9f857992210d96804bea10dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01578",
    "kind": "arxiv",
    "version": 4
  }
}