Pith Number

pith:UBVYSZBJ

pith:2013:UBVYSZBJB5UL673LTMRCGNKON6

not attested not anchored not stored refs pending

Separability problem for multipartite states of rank at most four

Dragomir Z. Djokovic, Lin Chen

arxiv:1301.2372 v1 · 2013-01-11 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBVYSZBJB5UL673LTMRCGNKON6}

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	2026-05-18T01:52:13.600267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06b8964290f68bf7f6b9b2223354e6f864926c573fd8115b3e9899fc7aea947

Aliases

arxiv: 1301.2372 · arxiv_version: 1301.2372v1 · doi: 10.48550/arxiv.1301.2372 · pith_short_12: UBVYSZBJB5UL · pith_short_16: UBVYSZBJB5UL673L · pith_short_8: UBVYSZBJ

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/UBVYSZBJB5UL673LTMRCGNKON6 \
  | 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: a06b8964290f68bf7f6b9b2223354e6f864926c573fd8115b3e9899fc7aea947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d22ad1d745832775c2fa4062ef2af092dbd017cd8060383ed83cda1e72963e0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-11T01:30:18Z",
    "title_canon_sha256": "179d027d388f51c055622fa0df7a6659d2a7ed085181f7b6d7e6f3dbf6f07638"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2372",
    "kind": "arxiv",
    "version": 1
  }
}