Pith Number

pith:3UGOCDLK

pith:2013:3UGOCDLKELHZMU5JWYTB3SLSW4

not attested not anchored not stored refs pending

Optimized state independent entanglement detection based on geometrical threshold criterion

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

arxiv:1308.6441 v1 · 2013-08-29 · 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{3UGOCDLKELHZMU5JWYTB3SLSW4}

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	2026-05-18T03:14:39.856403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0ce10d6a22cf9653a9b6261dc972b739b3d0abdedf90e0014fe33415934d69

Aliases

arxiv: 1308.6441 · arxiv_version: 1308.6441v1 · doi: 10.48550/arxiv.1308.6441 · pith_short_12: 3UGOCDLKELHZ · pith_short_16: 3UGOCDLKELHZMU5J · pith_short_8: 3UGOCDLK

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/3UGOCDLKELHZMU5JWYTB3SLSW4 \
  | 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: dd0ce10d6a22cf9653a9b6261dc972b739b3d0abdedf90e0014fe33415934d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c137bac3ef09dbcbd97b6af0eb09413969e5be3b3c2aa0f21a3652c83a2f7446",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-29T11:53:35Z",
    "title_canon_sha256": "00886f5fe41b6b35e6889a3630d062ee8c77449b967eb21cdab1cc54af2d482f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6441",
    "kind": "arxiv",
    "version": 1
  }
}