Pith Number

pith:OY3Z46Q4

pith:2024:OY3Z46Q4STNDGWELRBEJVXAQXP

not attested not anchored not stored refs pending

A characterization of entangled two-qubit states via partial-transpose-moments

Hua Xiang, Lin Chen, Lin Zhang, Ming-Jing Zhao, Yi Shen

arxiv:2404.19308 v1 · 2024-04-30 · quant-ph · math-ph · math.MP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OY3Z46Q4STNDGWELRBEJVXAQXP}

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	2026-07-05T08:13:41.223994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76379e7a1c94da33588b88489adc10bbed7af07799c209666ce865bbb2da30a6

Aliases

arxiv: 2404.19308 · arxiv_version: 2404.19308v1 · doi: 10.48550/arxiv.2404.19308 · pith_short_12: OY3Z46Q4STND · pith_short_16: OY3Z46Q4STNDGWEL · pith_short_8: OY3Z46Q4

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/OY3Z46Q4STNDGWELRBEJVXAQXP \
  | 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: 76379e7a1c94da33588b88489adc10bbed7af07799c209666ce865bbb2da30a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081deced68a11c6cdb41a84a1fe11ade6c5d94766c6f0cb3696237e89552f2c5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-04-30T07:28:09Z",
    "title_canon_sha256": "bd0a7bc46a6f81c26537807bf9a0eb1294ed1c72a09c4c866327ad0ed10a9522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.19308",
    "kind": "arxiv",
    "version": 1
  }
}