Pith Number

pith:IG2M5W5V

pith:2015:IG2M5W5VSK25FL5EDDE32EUS4V

not attested not anchored not stored refs pending

Remote preparation of $W$ states from imperfect bipartite sources

Fernando Parisio, M\'arcio M. Cunha, M. G. M. Moreno

arxiv:1509.08438 v2 · 2015-09-28 · 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{IG2M5W5VSK25FL5EDDE32EUS4V}

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	2026-05-18T01:07:57.006267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b4cedbb592b5d2afa418c9bd1292e57f302b61860e914835b0ec95283c9177

Aliases

arxiv: 1509.08438 · arxiv_version: 1509.08438v2 · doi: 10.48550/arxiv.1509.08438 · pith_short_12: IG2M5W5VSK25 · pith_short_16: IG2M5W5VSK25FL5E · pith_short_8: IG2M5W5V

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/IG2M5W5VSK25FL5EDDE32EUS4V \
  | 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: 41b4cedbb592b5d2afa418c9bd1292e57f302b61860e914835b0ec95283c9177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c478fe6209c9d7c6807a96c21d8b852f66755cb247a77d778922b19b7f47301",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-28T19:23:07Z",
    "title_canon_sha256": "1d9c683aba1369aea4ab283776800d1f5075bfd99c52e9c51a71479da96c9d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08438",
    "kind": "arxiv",
    "version": 2
  }
}