Pith Number

pith:MQTK7P4S

pith:2019:MQTK7P4S2D5IHTM234ZW7JV65Z

not attested not anchored not stored refs pending

Reevaluation of the nuclear electric quadrupole moment for 87Sr by hyperfine structures and relativistic atomic theory

Benquan Lu, Hong Chang, Jianguo Wang, Jiguang Li, Tingxian Zhang, Yong Wu

arxiv:1906.08465 v1 · 2019-06-20 · physics.atom-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{MQTK7P4S2D5IHTM234ZW7JV65Z}

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	2026-05-17T23:40:29.995518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6426afbf92d0fa83cd9adf336fa6beee70a114618bb9fa9e5829ce56412bff94

Aliases

arxiv: 1906.08465 · arxiv_version: 1906.08465v1 · doi: 10.48550/arxiv.1906.08465 · pith_short_12: MQTK7P4S2D5I · pith_short_16: MQTK7P4S2D5IHTM2 · pith_short_8: MQTK7P4S

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/MQTK7P4S2D5IHTM234ZW7JV65Z \
  | 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: 6426afbf92d0fa83cd9adf336fa6beee70a114618bb9fa9e5829ce56412bff94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b710bc38b02ce88161324b93d1ee30e2541e4b5843f7325103beb211cddd04f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-06-20T07:07:08Z",
    "title_canon_sha256": "bb062101acd5bfebc01190ca206c4d48ff417086ec3c9058a44d8cd721680c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08465",
    "kind": "arxiv",
    "version": 1
  }
}