Pith Number

pith:D66VI2MR

pith:2014:D66VI2MR7WDLRVFPYUMMDI7NBE

not attested not anchored not stored refs pending

A transportable strontium optical lattice clock

Ch. Lisdat, G. M. Tino, M. Schioppo, N. Poli, St. Falke, S. Vogt, U. Sterr

arxiv:1409.4572 v2 · 2014-09-16 · 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{D66VI2MR7WDLRVFPYUMMDI7NBE}

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	2026-05-18T01:42:02.235076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fbd546991fd86b8d4afc518c1a3ed0905285659b9744009f49d16e8f353e590

Aliases

arxiv: 1409.4572 · arxiv_version: 1409.4572v2 · doi: 10.48550/arxiv.1409.4572 · pith_short_12: D66VI2MR7WDL · pith_short_16: D66VI2MR7WDLRVFP · pith_short_8: D66VI2MR

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/D66VI2MR7WDLRVFPYUMMDI7NBE \
  | 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: 1fbd546991fd86b8d4afc518c1a3ed0905285659b9744009f49d16e8f353e590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f346daa41dce580524e01705dd7634bb5a05716f1a5427521df8290fe385ab78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-09-16T10:43:36Z",
    "title_canon_sha256": "75788f6bcb29eb3426548338628b615ffc9e7e684e51cd4812db9b893474e2b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4572",
    "kind": "arxiv",
    "version": 2
  }
}