Pith Number

pith:7GPPRM4M

pith:2019:7GPPRM4MBIDHDMOVTTRL2L6YNP

not attested not anchored not stored refs pending

Subradiant Bell states in distant atomic arrays

A. Grankin, B. Vermersch, D. V. Vasilyev, P.-O. Guimond, P. Zoller

arxiv:1901.02665 v2 · 2019-01-09 · 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{7GPPRM4MBIDHDMOVTTRL2L6YNP}

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	2026-05-17T23:51:46.723132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99ef8b38c0a0671b1d59ce2bd2fd86be5ea66aa9d775040d7c00d77bacd95fa

Aliases

arxiv: 1901.02665 · arxiv_version: 1901.02665v2 · doi: 10.48550/arxiv.1901.02665 · pith_short_12: 7GPPRM4MBIDH · pith_short_16: 7GPPRM4MBIDHDMOV · pith_short_8: 7GPPRM4M

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/7GPPRM4MBIDHDMOVTTRL2L6YNP \
  | 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: f99ef8b38c0a0671b1d59ce2bd2fd86be5ea66aa9d775040d7c00d77bacd95fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f9d2975f8f39ea3e8edfedc0cc304cfe414b2a9e57a16e3666a61f358734b5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-09T10:36:42Z",
    "title_canon_sha256": "2c81381fb8c55d6b31f3a53534bdac71d49537c580328423028a65ab59ed03c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02665",
    "kind": "arxiv",
    "version": 2
  }
}