Pith Number

pith:EILPYBM2

pith:2016:EILPYBM27ONRKN37DVBYVXOAC5

not attested not anchored not stored refs pending

Spectrum and separability of mixed 2-qubit X-states

Arsen Khvedelidze, Astghik Torosyan

arxiv:1609.06209 v1 · 2016-09-20 · 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{EILPYBM27ONRKN37DVBYVXOAC5}

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	2026-05-18T01:04:16.410570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2216fc059afb9b15377f1d438addc0177764f16eb771a2f5fc15810a99296067

Aliases

arxiv: 1609.06209 · arxiv_version: 1609.06209v1 · doi: 10.48550/arxiv.1609.06209 · pith_short_12: EILPYBM27ONR · pith_short_16: EILPYBM27ONRKN37 · pith_short_8: EILPYBM2

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/EILPYBM27ONRKN37DVBYVXOAC5 \
  | 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: 2216fc059afb9b15377f1d438addc0177764f16eb771a2f5fc15810a99296067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70ffa2403acb8643b6eb24bc886e07e2fea8604a19fc3ed12736c00c0c230d3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-20T15:08:53Z",
    "title_canon_sha256": "a3ac2665a0e53c9d161c8daa83c190c308b7970fc27edcca55c1c7b115b1cabf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06209",
    "kind": "arxiv",
    "version": 1
  }
}