Pith Number

pith:O2HE2AN6

pith:2009:O2HE2AN6MN3XS3TG2FL6FL45AL

not attested not anchored not stored refs pending

Stable mode-locked pulses from mid-infrared semiconductor lasers

A. Belyanin, Christine Y. Wang, C. Y. Song, D. Ham, Federico Capasso, F. X. Kaertner, H. C. Liu, H Schneider, L. Diehl, L. Kuznetsova, M. A. Belkin, P. Grant, S. Haffouz, V. M. Gkortsas, X. Li, Z. R. Wasilewski

arxiv:0903.4385 v1 · 2009-03-25 · 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{O2HE2AN6MN3XS3TG2FL6FL45AL}

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	2026-05-18T04:13:57.046871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

768e4d01be6377796e66d157e2af9d02ee40d2b70018e2d4df665bb2a7ba6b32

Aliases

arxiv: 0903.4385 · arxiv_version: 0903.4385v1 · doi: 10.48550/arxiv.0903.4385 · pith_short_12: O2HE2AN6MN3X · pith_short_16: O2HE2AN6MN3XS3TG · pith_short_8: O2HE2AN6

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/O2HE2AN6MN3XS3TG2FL6FL45AL \
  | 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: 768e4d01be6377796e66d157e2af9d02ee40d2b70018e2d4df665bb2a7ba6b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf264a7a864541cad2056fb1f4110b09204c545e1b8e6b2aeca2077d2acd8e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-03-25T16:49:42Z",
    "title_canon_sha256": "3dd991619a029496ad77dae53dcf7d2e551197aa83f37ab228b2b8623c769785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4385",
    "kind": "arxiv",
    "version": 1
  }
}