Pith Number

pith:JW7WRCY2

pith:2016:JW7WRCY24TOLZYOBWX7M6OYZ26

not attested not anchored not stored refs pending

Single-Ion Atomic Clock with $3\times10^{-18}$ Systematic Uncertainty

B. Lipphardt, Chr. Tamm, C. Sanner, E. Peik, N. Huntemann

arxiv:1602.03908 v1 · 2016-02-11 · physics.atm-clus · 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{JW7WRCY24TOLZYOBWX7M6OYZ26}

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	2026-05-18T01:20:55.214282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dbf688b1ae4dcbce1c1b5fecf3b19d7a2ec5fd0e188e2429f75e33495c1f203

Aliases

arxiv: 1602.03908 · arxiv_version: 1602.03908v1 · doi: 10.48550/arxiv.1602.03908 · pith_short_12: JW7WRCY24TOL · pith_short_16: JW7WRCY24TOLZYOB · pith_short_8: JW7WRCY2

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/JW7WRCY24TOLZYOBWX7M6OYZ26 \
  | 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: 4dbf688b1ae4dcbce1c1b5fecf3b19d7a2ec5fd0e188e2429f75e33495c1f203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "148201df8e20cd6793790543a359eaf35e384152e3c91f01f4c8845553833cff",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atm-clus",
    "submitted_at": "2016-02-11T21:38:58Z",
    "title_canon_sha256": "1c456935b17924c20c76ab62444138e1966b34f626e4cc96bed8a323dcb54556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03908",
    "kind": "arxiv",
    "version": 1
  }
}