Pith Number

pith:BZW6MWIM

pith:2010:BZW6MWIM5CQJR5ISH2ECLIKN2K

not attested not anchored not stored refs pending

Construction of optimal witness for unknown two-qubit entanglement

H. Kim, H. S. Park, H.-S. Sim, S.-K. Choi, S.-S. B. Lee

arxiv:1006.1491 v3 · 2010-06-08 · 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{BZW6MWIM5CQJR5ISH2ECLIKN2K}

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	2026-05-18T04:34:18.277157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e6de6590ce8a098f5123e8825a14dd2b6e39b62912351dbf113f3a7ba405ae3

Aliases

arxiv: 1006.1491 · arxiv_version: 1006.1491v3 · doi: 10.48550/arxiv.1006.1491 · pith_short_12: BZW6MWIM5CQJ · pith_short_16: BZW6MWIM5CQJR5IS · pith_short_8: BZW6MWIM

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/BZW6MWIM5CQJR5ISH2ECLIKN2K \
  | 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: 0e6de6590ce8a098f5123e8825a14dd2b6e39b62912351dbf113f3a7ba405ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54537263998817b7523e88b078cccdb7cb72456fbd46cbf3b1087510af30224",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-08T09:07:27Z",
    "title_canon_sha256": "2e80715e619f040463d806851530fd92b2adc8fad97346cd066358d39395af0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1491",
    "kind": "arxiv",
    "version": 3
  }
}