Pith Number

pith:USHORDUF

pith:2016:USHORDUFHQOY5Y7GQASCDFHZHQ

not attested not anchored not stored refs pending

The inductive entanglement classification yields ten rather than eight classes of four-qubit entangled states

Miriam Backens

arxiv:1611.02076 v1 · 2016-11-07 · 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{USHORDUFHQOY5Y7GQASCDFHZHQ}

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	2026-05-18T00:49:51.273417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a48ee88e853c1d8ee3e680242194f93c3dcbe30170998bd6afd9498683bec0e4

Aliases

arxiv: 1611.02076 · arxiv_version: 1611.02076v1 · doi: 10.48550/arxiv.1611.02076 · pith_short_12: USHORDUFHQOY · pith_short_16: USHORDUFHQOY5Y7G · pith_short_8: USHORDUF

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/USHORDUFHQOY5Y7GQASCDFHZHQ \
  | 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: a48ee88e853c1d8ee3e680242194f93c3dcbe30170998bd6afd9498683bec0e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca82f788b5b0227c41120cc858aeea70461798f6bc34b647f07bbeecc7509a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-07T14:44:39Z",
    "title_canon_sha256": "685a200e61348662b061e7c8c93309722d9378487af3e7fe161bb7076d96b854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02076",
    "kind": "arxiv",
    "version": 1
  }
}