Pith Number

pith:JB6YZI5U

pith:2020:JB6YZI5UN7DAKUA52ESUDKVJZ3

not attested not anchored not stored refs pending

XUV frequency comb operation in an astigmatism-compensated enhancement cavity

A. Ackermann, A. Borodin, I. S. Muhammad, J.-H. Oelmann, J. Nauta, J. R. Crespo L\'opez-Urrutia, P. Knauer, R. Pappenberger, T. Pfeifer

arxiv:2011.11339 v1 · 2020-11-23 · 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{JB6YZI5UN7DAKUA52ESUDKVJZ3}

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	2026-07-05T02:12:13.050048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

487d8ca3b46fc605501dd12541aaa9cef5e64248e2d5728beaec2401019f0e6b

Aliases

arxiv: 2011.11339 · arxiv_version: 2011.11339v1 · doi: 10.48550/arxiv.2011.11339 · pith_short_12: JB6YZI5UN7DA · pith_short_16: JB6YZI5UN7DAKUA5 · pith_short_8: JB6YZI5U

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/JB6YZI5UN7DAKUA52ESUDKVJZ3 \
  | 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: 487d8ca3b46fc605501dd12541aaa9cef5e64248e2d5728beaec2401019f0e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf9069a9460721c7a4b835164d82b5f684ef8e203dad6cc0999ec3c5c5570ae",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2020-11-23T11:41:00Z",
    "title_canon_sha256": "d4f1a64c25b72ac3c9c400736388b6c284b1d5c11b985e1d89eae60c13b3e0ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11339",
    "kind": "arxiv",
    "version": 1
  }
}