Pith Number

pith:F2NJ2NMN

pith:2013:F2NJ2NMNNQBLO75EQYUFYNOJSW

not attested not anchored not stored refs pending

Purifications of multipartite states: limitations and constructive methods

David P\'erez-Garc\'ia, Gemma De las Cuevas, J. Ignacio Cirac, Norbert Schuch

arxiv:1308.1914 v3 · 2013-08-08 · quant-ph · cond-mat.str-el · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2NJ2NMNNQBLO75EQYUFYNOJSW}

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	2026-05-18T03:04:08.272921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e9a9d358d6c02b77fa486285c35c9958a68167d18efc6740fceb8a533ace380

Aliases

arxiv: 1308.1914 · arxiv_version: 1308.1914v3 · doi: 10.48550/arxiv.1308.1914 · pith_short_12: F2NJ2NMNNQBL · pith_short_16: F2NJ2NMNNQBLO75E · pith_short_8: F2NJ2NMN

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/F2NJ2NMNNQBLO75EQYUFYNOJSW \
  | 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: 2e9a9d358d6c02b77fa486285c35c9958a68167d18efc6740fceb8a533ace380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5168b5593519e48ed3bd8776f035b7e7ce7d08504fd121ea9ab25e94cc6a1373",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-08T17:55:56Z",
    "title_canon_sha256": "ac55912d0506485b0d238c5bec1582ce1d55bf645fb2c9212ed8295f708fb208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1914",
    "kind": "arxiv",
    "version": 3
  }
}