Pith Number

pith:B3QQCUJR

pith:2012:B3QQCUJR5677677JJB4W6KKHOC

not attested not anchored not stored refs pending

Properties and construction of extreme bipartite states having positive partial transpose

Dragomir Z. Djokovic, Lin Chen

arxiv:1203.1364 v4 · 2012-03-07 · math-ph · math.MP · 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{B3QQCUJR5677677JJB4W6KKHOC}

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	2026-05-18T03:07:02.286510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee1015131efbfff7fe948796f294770922d5c46e025733cf8e4056a58d90df4

Aliases

arxiv: 1203.1364 · arxiv_version: 1203.1364v4 · doi: 10.48550/arxiv.1203.1364 · pith_short_12: B3QQCUJR5677 · pith_short_16: B3QQCUJR5677677J · pith_short_8: B3QQCUJR

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/B3QQCUJR5677677JJB4W6KKHOC \
  | 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: 0ee1015131efbfff7fe948796f294770922d5c46e025733cf8e4056a58d90df4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d17140f474c2502ed4ae8b22935f28e6c6708c8a8a11973ad5f7ee49e42617f",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-03-07T01:47:24Z",
    "title_canon_sha256": "efc05a9ae48fd7d681192342745021a48309b3a173cc5e7ea77fa1a68d10687e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1364",
    "kind": "arxiv",
    "version": 4
  }
}