Pith Number

pith:7BPEVRFC

pith:2022:7BPEVRFCSZODLKXNGRFTK4DLWQ

not attested not anchored not stored refs pending

Generation and characterization of frequency tuneable sub-15 fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser

Christian Brahms, Federico Belli, Fei Yu, John C. Travers, Jonathan Knight, Mohammed Sabbah

arxiv:2212.11908 v2 · 2022-12-22 · 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{7BPEVRFCSZODLKXNGRFTK4DLWQ}

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	2026-07-05T06:09:32.980804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc

Aliases

arxiv: 2212.11908 · arxiv_version: 2212.11908v2 · doi: 10.48550/arxiv.2212.11908 · pith_short_12: 7BPEVRFCSZOD · pith_short_16: 7BPEVRFCSZODLKXN · pith_short_8: 7BPEVRFC

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/7BPEVRFCSZODLKXNGRFTK4DLWQ \
  | 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: f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e868623218b2390b3857f106f4922bb6d95b0ed48045db6e425c95cbfef5edd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-12-22T17:45:58Z",
    "title_canon_sha256": "6f376cade727ca37809474b52afc49758d9e1d59daa8311cddbc286cd74b5e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.11908",
    "kind": "arxiv",
    "version": 2
  }
}