Pith Number

pith:45NBEZGY

pith:2014:45NBEZGYTP6UBADFV3PDY7OWOU

not attested not anchored not stored refs pending

Necessary and Sufficient Conditions for Local Unitary Equivalence of Multi-qubit States

A. M. Martins

arxiv:1408.3840 v3 · 2014-08-17 · 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{45NBEZGYTP6UBADFV3PDY7OWOU}

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	2026-05-18T02:18:51.657171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e75a1264d89bfd408065aede3c7dd675370b93ddb7798269b8f9727a72aa61cb

Aliases

arxiv: 1408.3840 · arxiv_version: 1408.3840v3 · doi: 10.48550/arxiv.1408.3840 · pith_short_12: 45NBEZGYTP6U · pith_short_16: 45NBEZGYTP6UBADF · pith_short_8: 45NBEZGY

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/45NBEZGYTP6UBADFV3PDY7OWOU \
  | 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: e75a1264d89bfd408065aede3c7dd675370b93ddb7798269b8f9727a72aa61cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769319629c753d8d3cea78f966ae463be0c26caf1f8f76c5319153ae815c5786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-17T17:18:44Z",
    "title_canon_sha256": "4c853357f12c137e55b38dc828ed99fc119bd1a79d06116fa310ae44073aafcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3840",
    "kind": "arxiv",
    "version": 3
  }
}