Pith Number

pith:MRHD2DVZ

pith:2007:MRHD2DVZIMQPYCHIZLG5KPVGS4

not attested not anchored not stored refs pending

A new Generation of Spectrometer Calibration Techniques based on Optical Frequency Combs

Austria) Hans Ulrich Kaeufl (ESO, Austria) Stefan Kimeswenger (Astro- & Particle Physics, Garching, Germany), Piet O. Schmidt (Exp. Physics, Univ. Innsbruck

arxiv:0705.0763 v1 · 2007-05-05 · astro-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{MRHD2DVZIMQPYCHIZLG5KPVGS4}

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	2026-05-18T02:16:31.126847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

644e3d0eb94320fc08e8cacdd53ea697239bf40b8cefc224cf03e3b84bfe611b

Aliases

arxiv: 0705.0763 · arxiv_version: 0705.0763v1 · doi: 10.48550/arxiv.0705.0763 · pith_short_12: MRHD2DVZIMQP · pith_short_16: MRHD2DVZIMQPYCHI · pith_short_8: MRHD2DVZ

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/MRHD2DVZIMQPYCHIZLG5KPVGS4 \
  | 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: 644e3d0eb94320fc08e8cacdd53ea697239bf40b8cefc224cf03e3b84bfe611b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174abf83253680a47ca546f3f6b8f5cb271d0681947ccdcda411b95e9780c6a2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-05T19:39:45Z",
    "title_canon_sha256": "d8a6ba96d4fb22e705abf2ed6a23bb9b9cf215e04ab5d36d466267041de0ed14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0763",
    "kind": "arxiv",
    "version": 1
  }
}