Pith Number

pith:MCLRAEJL

pith:2011:MCLRAEJLUUMPB4JFQST42OXPPN

not attested not anchored not stored refs pending

Low phase noise diode laser oscillator for 1S-2S spectroscopy in atomic hydrogen

A.Matveev, C.G.Parthey, J.Alnis, N.Kolachevsky, R.Landig, T.W.Haensch

arxiv:1107.1649 v1 · 2011-07-08 · quant-ph · physics.ins-det · 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{MCLRAEJLUUMPB4JFQST42OXPPN}

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	2026-05-18T02:01:21.271128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

609710112ba518f0f12584a7cd3aef7b7e5e8d335ba50f92275b4b3669e2ab61

Aliases

arxiv: 1107.1649 · arxiv_version: 1107.1649v1 · doi: 10.48550/arxiv.1107.1649 · pith_short_12: MCLRAEJLUUMP · pith_short_16: MCLRAEJLUUMPB4JF · pith_short_8: MCLRAEJL

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/MCLRAEJLUUMPB4JFQST42OXPPN \
  | 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: 609710112ba518f0f12584a7cd3aef7b7e5e8d335ba50f92275b4b3669e2ab61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2ab79d644634f918d4775d820a95ce8791aec9bb75c50abad22cdd6aef26aa",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-08T14:55:47Z",
    "title_canon_sha256": "79f9cef57c2b8d845fd062a8e461fd1faf7995e1d017e1c0b41cc819de3b51b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1649",
    "kind": "arxiv",
    "version": 1
  }
}