Pith Number

pith:FIA57WIK

pith:2011:FIA57WIKQUBIL44SC6GC7VVZJB

not attested not anchored not stored refs pending

Experimental Schmidt Decomposition and Entanglement Detection

Christian Schwemmer, Daniel Richart, Harald Weinfurter, Tomasz Paterek, Wieslaw Laskowski

arxiv:1111.3521 v2 · 2011-11-15 · 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{FIA57WIKQUBIL44SC6GC7VVZJB}

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	2026-05-18T03:53:07.057493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a01dfd90a850285f392178c2fd6b9484698174840f928d54dabfcf40e6c8b65

Aliases

arxiv: 1111.3521 · arxiv_version: 1111.3521v2 · doi: 10.48550/arxiv.1111.3521 · pith_short_12: FIA57WIKQUBI · pith_short_16: FIA57WIKQUBIL44S · pith_short_8: FIA57WIK

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/FIA57WIKQUBIL44SC6GC7VVZJB \
  | 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: 2a01dfd90a850285f392178c2fd6b9484698174840f928d54dabfcf40e6c8b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03596f094bbb3284b04bc32919e138ef1de6f5f6b56bfa7d5892a4c8db553c33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-15T13:08:54Z",
    "title_canon_sha256": "555068e0675e7de4ea2a9b858fb589d1b2fe44c4b424e010a40788ee50ded543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3521",
    "kind": "arxiv",
    "version": 2
  }
}