Pith Number

pith:QACRFCCP

pith:2010:QACRFCCPRSRUKAMWCMWDUFNEGB

not attested not anchored not stored refs pending

Invariant-based entanglement monotones as expectation values and their experimental detection

Andreas Osterloh, Jens Siewert

arxiv:1003.4862 v2 · 2010-03-25 · 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{QACRFCCPRSRUKAMWCMWDUFNEGB}

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	2026-05-18T00:55:28.990302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

800512884f8ca3450196132c3a15a4304eda3651294a3f78e4f1f108720efc34

Aliases

arxiv: 1003.4862 · arxiv_version: 1003.4862v2 · doi: 10.48550/arxiv.1003.4862 · pith_short_12: QACRFCCPRSRU · pith_short_16: QACRFCCPRSRUKAMW · pith_short_8: QACRFCCP

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/QACRFCCPRSRUKAMWCMWDUFNEGB \
  | 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: 800512884f8ca3450196132c3a15a4304eda3651294a3f78e4f1f108720efc34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74f3cd087ebd1b5b6a58abcd1f9d095986316568de6f95245773e50ae05259e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-25T11:29:56Z",
    "title_canon_sha256": "fc589ed06bc1878e7bdde8ed37e18b7f8a0301752e35f8307e5bf9d3754e647c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4862",
    "kind": "arxiv",
    "version": 2
  }
}