Pith Number

pith:J4TLJOPD

pith:2009:J4TLJOPDH4MYJ7BBAVT5D4FUYO

not attested not anchored not stored refs pending

Quasi phase matching for high order harmonic generation induced by the carrier-envelope phase

Albert Farres Paolo Di Trapani, Carles Serrat, Daniele Faccio, Jens Biegert, Jose' M. Cela

arxiv:0908.2223 v1 · 2009-08-16 · 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{J4TLJOPDH4MYJ7BBAVT5D4FUYO}

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	2026-05-18T02:12:33.799706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f26b4b9e33f1984fc210567d1f0b4c39630f20ad1c185a85c4db847eaae0ec1

Aliases

arxiv: 0908.2223 · arxiv_version: 0908.2223v1 · doi: 10.48550/arxiv.0908.2223 · pith_short_12: J4TLJOPDH4MY · pith_short_16: J4TLJOPDH4MYJ7BB · pith_short_8: J4TLJOPD

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/J4TLJOPDH4MYJ7BBAVT5D4FUYO \
  | 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: 4f26b4b9e33f1984fc210567d1f0b4c39630f20ad1c185a85c4db847eaae0ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72d2269e729833df12c4acca3e323e41018cec9201646557df2eaf2f9b4dea6c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-08-16T08:37:32Z",
    "title_canon_sha256": "5a05be94b1b26dbcf7214e84e7061b401b4704cf31b060f5b5b719c42de851b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2223",
    "kind": "arxiv",
    "version": 1
  }
}