Pith Number

pith:3PHOK6OI

pith:2014:3PHOK6OIH3MAGPE3ZL4N2DIL2B

not attested not anchored not stored refs pending

Entanglement universality of two-qubit X-states

Di\'ogenes Galetti, Marcelo A. Marchiolli, Paulo E. M. F. Mendonca

arxiv:1407.3021 v2 · 2014-07-11 · 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{3PHOK6OIH3MAGPE3ZL4N2DIL2B}

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	2026-05-18T02:42:38.996433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbcee579c83ed8033c9bcaf8dd0d0bd0459dd01e1d1b861c407f0201e9592aba

Aliases

arxiv: 1407.3021 · arxiv_version: 1407.3021v2 · doi: 10.48550/arxiv.1407.3021 · pith_short_12: 3PHOK6OIH3MA · pith_short_16: 3PHOK6OIH3MAGPE3 · pith_short_8: 3PHOK6OI

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/3PHOK6OIH3MAGPE3ZL4N2DIL2B \
  | 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: dbcee579c83ed8033c9bcaf8dd0d0bd0459dd01e1d1b861c407f0201e9592aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "428d9e43959220a2079cef81d5af367f95c04a384abc3bcbe649e6b17031548d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-11T04:25:12Z",
    "title_canon_sha256": "7aafafd224ce3365cd124db89abd91d054a08ba2a279adf72cdaf2be1a4e680d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3021",
    "kind": "arxiv",
    "version": 2
  }
}