Pith Number

pith:3Z3CKNKF

pith:2011:3Z3CKNKF4QJOR2PEPFX6A2OYMF

not attested not anchored not stored refs pending

libCreme: An optimization library for evaluating convex-roof entanglement measures

Beat R\"othlisberger, Daniel Loss, J\"org Lehmann

arxiv:1107.4497 v1 · 2011-07-22 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Z3CKNKF4QJOR2PEPFX6A2OYMF}

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	2026-05-18T02:01:11.406453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de76253545e412e8e9e4796fe069d86164f3a05efefdee4d14516b751dcf6851

Aliases

arxiv: 1107.4497 · arxiv_version: 1107.4497v1 · doi: 10.48550/arxiv.1107.4497 · pith_short_12: 3Z3CKNKF4QJO · pith_short_16: 3Z3CKNKF4QJOR2PE · pith_short_8: 3Z3CKNKF

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/3Z3CKNKF4QJOR2PEPFX6A2OYMF \
  | 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: de76253545e412e8e9e4796fe069d86164f3a05efefdee4d14516b751dcf6851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c53b2767ebef61309a40a74fb10ef3fb7d02fd46cd262e16ef209f1f8a43f57d",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-22T12:38:41Z",
    "title_canon_sha256": "f87def45a22f3c25f1d4be2b9d45b3f0b882dd9801964081f37f8e144d9f6744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4497",
    "kind": "arxiv",
    "version": 1
  }
}