Pith Number

pith:4UKDMWWH

pith:2013:4UKDMWWHYFRCQ2Y6YU72RJQQUY

not attested not anchored not stored refs pending

Distributing Entanglement with Separable States

Christian Peuntinger, Christoph Marquardt, Gerd Leuchs, Jan Korger, Jr., Ladislav Mi\v{s}ta, Michael F\"ortsch, Natalia Korolkova, Vanessa Chille

arxiv:1304.0504 v2 · 2013-04-01 · 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{4UKDMWWHYFRCQ2Y6YU72RJQQUY}

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	2026-05-18T03:04:49.478489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e514365ac7c162286b1ec53fa8a610a61a09ab8218ffa1c60cc2b494564ed655

Aliases

arxiv: 1304.0504 · arxiv_version: 1304.0504v2 · doi: 10.48550/arxiv.1304.0504 · pith_short_12: 4UKDMWWHYFRC · pith_short_16: 4UKDMWWHYFRCQ2Y6 · pith_short_8: 4UKDMWWH

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/4UKDMWWHYFRCQ2Y6YU72RJQQUY \
  | 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: e514365ac7c162286b1ec53fa8a610a61a09ab8218ffa1c60cc2b494564ed655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "553427764682ba09af075287296d7e35df237b3df282690e7e8b8a7df049798d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-01T23:54:45Z",
    "title_canon_sha256": "81b5df17af340c73f6fd3aa24e15f395286366c4dbe49f6d65d32901b228cb81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0504",
    "kind": "arxiv",
    "version": 2
  }
}