Pith Number

pith:QA7FHSEM

pith:2026:QA7FHSEMSI6JKF3HGTDKS26PD7

not attested not anchored not stored refs pending

Active Control of Extreme Ultraviolet Photon Flux and Resolution with a Plane Ruled Reflection Grating Spectrometer that Measures Diverging High-Harmonics

Aditi Bhattacherjee, Caleb H. DeWitt, Griffin W. Hancock, Nnamdi C. Okey

arxiv:2608.07441 v1 · 2026-08-07 · physics.optics · physics.chem-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{QA7FHSEMSI6JKF3HGTDKS26PD7}

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	2026-08-10T01:15:24.272469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803e53c88c923c95176734c6a96bcf1fc0e2b3ce861538a4829aa558252a003c

Aliases

arxiv: 2608.07441 · arxiv_version: 2608.07441v1 · doi: 10.48550/arxiv.2608.07441 · pith_short_12: QA7FHSEMSI6J · pith_short_16: QA7FHSEMSI6JKF3H · pith_short_8: QA7FHSEM

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/QA7FHSEMSI6JKF3HGTDKS26PD7 \
  | 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: 803e53c88c923c95176734c6a96bcf1fc0e2b3ce861538a4829aa558252a003c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d80dce0164b20f06f7c17fff34ddbd9a7b69d2fb335f3c0718bbc27cf93869",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-08-07T17:24:58Z",
    "title_canon_sha256": "b437d1afda0963149131171df7f0db2e2b5f0ad6bf73c5c633ff2e124f0fa54b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07441",
    "kind": "arxiv",
    "version": 1
  }
}