Pith Number

pith:FQRS573M

pith:2006:FQRS573MCNAT4GTM4QFWCGE6AN

not attested not anchored not stored refs pending

On some entropic entanglement parameter

Barbara Synak-Radtke, Lukasz Pankowski, Michal Horodecki, Ryszard Horodecki

arxiv:quant-ph/0608201 v1 · 2006-08-25 · 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{FQRS573MCNAT4GTM4QFWCGE6AN}

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	2026-05-18T01:05:02.613149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c232eff6c13413e1a6ce40b61189e034797e14e0f8859b0ac084ec258cf7d0a

Aliases

arxiv: quant-ph/0608201 · arxiv_version: quant-ph/0608201v1 · doi: 10.48550/arxiv.quant-ph/0608201 · pith_short_12: FQRS573MCNAT · pith_short_16: FQRS573MCNAT4GTM · pith_short_8: FQRS573M

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/FQRS573MCNAT4GTM4QFWCGE6AN \
  | 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: 2c232eff6c13413e1a6ce40b61189e034797e14e0f8859b0ac084ec258cf7d0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36924468c33ad08f0e85f8c2ea04718bf9eac27add345f40b28931c38c93d750",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-08-25T21:50:05Z",
    "title_canon_sha256": "cbe2005468761643ed02aa17d34e7de48ab0640fc0ba2610d7ccae6db6841fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0608201",
    "kind": "arxiv",
    "version": 1
  }
}