pith. sign in
Pith Number

pith:ZH26XORL

pith:2011:ZH26XORLCZKOQPR2HPOYQPMONT
not attested not anchored not stored refs pending

Ultralow phase noise microwave generation with an Er:fiber-based optical frequency divider

A. D. Ludlow, C. W. Oates, F. Quinlan, J. A. Taylor, M. J. Thorpe, M. S. Kirchner, N. Lemke, S. A. Diddams, T. M. Fortier, Y. Jiang

arxiv:1105.1434 v1 · 2011-05-07 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZH26XORLCZKOQPR2HPOYQPMONT}

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 2026-05-18T02:02:02.928281Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c9f5ebba2b1654e83e3a3bdd883d8e6cf94cc434ca0be3109d6504bbf1d61ac7

Aliases

arxiv: 1105.1434 · arxiv_version: 1105.1434v1 · doi: 10.48550/arxiv.1105.1434 · pith_short_12: ZH26XORLCZKO · pith_short_16: ZH26XORLCZKOQPR2 · pith_short_8: ZH26XORL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZH26XORLCZKOQPR2HPOYQPMONT \
  | 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: c9f5ebba2b1654e83e3a3bdd883d8e6cf94cc434ca0be3109d6504bbf1d61ac7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1485a03aab13165e52257e009d4b005047ff086443001d9bf6778f195c204e53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-05-07T11:41:42Z",
    "title_canon_sha256": "79f7924aab79670be0cf2d6bb8d6bdc89112cf5f5d546be87b7c647eaa84a8ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1434",
    "kind": "arxiv",
    "version": 1
  }
}