Pith Number

pith:RG34HMCK

pith:2015:RG34HMCKEWPZ3SVDDGJM4F224O

not attested not anchored not stored refs pending

Noise and instability of an optical lattice clock

Ali Al-Masoudi, Christian Lisdat, Sebastian H\"afner, S\"oren D\"orscher, Uwe Sterr

arxiv:1507.04949 v2 · 2015-07-17 · physics.atom-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RG34HMCKEWPZ3SVDDGJM4F224O}

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	2026-05-18T01:22:39.107095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89b7c3b04a259f9dcaa31992ce175ae39e5a759889dc173ee434008850279654

Aliases

arxiv: 1507.04949 · arxiv_version: 1507.04949v2 · doi: 10.48550/arxiv.1507.04949 · pith_short_12: RG34HMCKEWPZ · pith_short_16: RG34HMCKEWPZ3SVD · pith_short_8: RG34HMCK

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/RG34HMCKEWPZ3SVDDGJM4F224O \
  | 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: 89b7c3b04a259f9dcaa31992ce175ae39e5a759889dc173ee434008850279654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a791dfa38acadb5bf3594fa069f5dfb8a09b9c8ab9b0cbf91585fd4b1f2001",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-07-17T12:34:59Z",
    "title_canon_sha256": "922f58328800c55f9ece51805c2835189274d8ef78c963f579d8b9e7faaf925b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04949",
    "kind": "arxiv",
    "version": 2
  }
}