Pith Number

pith:BX72J2WU

pith:2021:BX72J2WULWFZKCLMTETPV2Z77J

not attested not anchored not stored refs pending

Variational determination of multi-qubit geometrical entanglement in NISQ computers

A. Delgado, A. D. Mu\~noz-Moller, J. Cort\'es-Vega, L. Pereira, L. Zambrano

arxiv:2110.03709 v2 · 2021-10-07 · 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{BX72J2WULWFZKCLMTETPV2Z77J}

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	2026-07-05T04:57:43.396969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dffa4ead45d8b95096c9926faeb3ffa64e5587fd5fe356ae37fb9fe841c9e20

Aliases

arxiv: 2110.03709 · arxiv_version: 2110.03709v2 · doi: 10.48550/arxiv.2110.03709 · pith_short_12: BX72J2WULWFZ · pith_short_16: BX72J2WULWFZKCLM · pith_short_8: BX72J2WU

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/BX72J2WULWFZKCLMTETPV2Z77J \
  | 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: 0dffa4ead45d8b95096c9926faeb3ffa64e5587fd5fe356ae37fb9fe841c9e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9e566800b8fdb39fd172f5a1a55f558d7b28535c4dafd4b58d40ce6423b4a2d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-07T18:00:36Z",
    "title_canon_sha256": "2c80a8d3e4afa682fc975a2b3ccb33a8aaee1f94d300ca5e187658746183560a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.03709",
    "kind": "arxiv",
    "version": 2
  }
}