Pith Number

pith:QE5UQGFT

pith:2015:QE5UQGFTBGRROBNCFCNEE2O5DA

not attested not anchored not stored refs pending

Absolute measurement of the ${}^{1}S_{0}$ - ${}^{3}P_{0}$ clock transition in neutral ${}^{88}$Sr over the 330 km-long stabilized fibre optic link

Agata Cygan, Czeslaw Radzewicz, Daniel Lisak, Dobroslawa Bartoszek-Bober, Jerzy Nawrocki, Jerzy Zachorowski, Lukasz Sliwczynski, Marcin Bober, Marcin Lipinski, Michal Garus, Michal Zawada, Piotr Dunst, Piotr Maslowski, Piotr Morzynski, Przemyslaw Krehlik, Roman Ciurylo, Wojciech Gawlik

arxiv:1512.02156 v1 · 2015-12-07 · 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{QE5UQGFTBGRROBNCFCNEE2O5DA}

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	2026-05-18T01:25:09.506272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813b4818b309a31705a2289a4269dd1801675ba08a8061adf6674c0ff6ead12b

Aliases

arxiv: 1512.02156 · arxiv_version: 1512.02156v1 · doi: 10.48550/arxiv.1512.02156 · pith_short_12: QE5UQGFTBGRR · pith_short_16: QE5UQGFTBGRROBNC · pith_short_8: QE5UQGFT

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/QE5UQGFTBGRROBNCFCNEE2O5DA \
  | 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: 813b4818b309a31705a2289a4269dd1801675ba08a8061adf6674c0ff6ead12b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcec149f701f7799c129164a8555e22cc0ce55faa49fa26cdcac60fe7d462df7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-12-07T18:31:10Z",
    "title_canon_sha256": "46efedbbc3641c02ec6fe103e15dfea74c5a8a3699989a810412d6b173b819fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02156",
    "kind": "arxiv",
    "version": 1
  }
}