Pith Number

pith:DLGQ7BE2

pith:2018:DLGQ7BE2TXWWPZXDTQQIY4DI2R

not attested not anchored not stored refs pending

Experimental Classification of Entanglement in Arbitrary Three-Qubit States on an NMR Quantum Information Processor

Amandeep Singh, Arvind, Harpreet Singh, Kavita Dorai

arxiv:1804.09320 v2 · 2018-04-25 · 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{DLGQ7BE2TXWWPZXDTQQIY4DI2R}

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	2026-05-18T00:06:28.741951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1acd0f849a9ded67e6e39c208c7068d463e85649c75e363aaf6925b9fd3f004d

Aliases

arxiv: 1804.09320 · arxiv_version: 1804.09320v2 · doi: 10.48550/arxiv.1804.09320 · pith_short_12: DLGQ7BE2TXWW · pith_short_16: DLGQ7BE2TXWWPZXD · pith_short_8: DLGQ7BE2

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/DLGQ7BE2TXWWPZXDTQQIY4DI2R \
  | 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: 1acd0f849a9ded67e6e39c208c7068d463e85649c75e363aaf6925b9fd3f004d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b13dd432edb5e13bc61eb9197d24da3e94254806667f45e9087e0430b65d3ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-25T02:16:18Z",
    "title_canon_sha256": "dc142d5d445f9cbc0cb18369ac6cb0518f0624fcb4b1ebc088164e437bbe426c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09320",
    "kind": "arxiv",
    "version": 2
  }
}