Pith Number

pith:VC4UXAQT

pith:2020:VC4UXAQTK33NV4NCAGK26XDN3I

not attested not anchored not stored refs pending

Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre

A. Kirsche, A. Sch\"ulzgen, C. Gaida, C. Liu, J. E. Antonio-Lopez, J. Limpert, J. Rothhardt, M. Gebhardt, M. Lenski, R. Amezcua-Correa, R. Klas, T. Heuermann, Z. Wang

arxiv:2009.10967 v2 · 2020-09-23 · 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{VC4UXAQTK33NV4NCAGK26XDN3I}

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	2026-07-05T02:15:28.803372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b94b821356f6daf1a20195af5c6dda3765f5703016fb372c6f4ebe0c7fffbb

Aliases

arxiv: 2009.10967 · arxiv_version: 2009.10967v2 · doi: 10.48550/arxiv.2009.10967 · pith_short_12: VC4UXAQTK33N · pith_short_16: VC4UXAQTK33NV4NC · pith_short_8: VC4UXAQT

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/VC4UXAQTK33NV4NCAGK26XDN3I \
  | 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: a8b94b821356f6daf1a20195af5c6dda3765f5703016fb372c6f4ebe0c7fffbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ced69f313a8c62fd3dc14498d0c9778908c632fc216b5e22e54c12d053d397e8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-09-23T07:16:17Z",
    "title_canon_sha256": "9eb77a625d8270ce54f6ca9b7c8300ca6480208b984a36136b1a94902856f50e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.10967",
    "kind": "arxiv",
    "version": 2
  }
}