Pith Number

pith:JFR3GTYH

pith:2007:JFR3GTYHMB4SOIIIQS6JSBS2IK

not attested not anchored not stored refs pending

Narrow-line phase-locked quantum cascade laser in the 9.2 micron range

Albane Douillet (LKB - Jussieu, DPM), Franck Bielsa (LKB - Jussieu, Jean-Philippe Karr (LKB - Jussieu, Laurent Hilico (LKB - Jussieu, Tristan Valenzuela (LKB - Jussieu

arxiv:physics/0703138 v2 · 2007-03-13 · 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{JFR3GTYHMB4SOIIIQS6JSBS2IK}

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	2026-05-18T00:50:31.525626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4963b34f07607927210884bc99065a42ac18f766140d70e76bb9be54d1ee774b

Aliases

arxiv: physics/0703138 · arxiv_version: physics/0703138v2 · doi: 10.48550/arxiv.physics/0703138 · pith_short_12: JFR3GTYHMB4S · pith_short_16: JFR3GTYHMB4SOIII · pith_short_8: JFR3GTYH

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/JFR3GTYHMB4SOIIIQS6JSBS2IK \
  | 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: 4963b34f07607927210884bc99065a42ac18f766140d70e76bb9be54d1ee774b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b7716e5745e036f5cb09d7e179c5a125cc0005bab21d4cd6fd9082c12d5c7bf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2007-03-13T16:50:35Z",
    "title_canon_sha256": "5e1e2ec644989984797360672cc2a2c6cf4379670fa4a596426af18ab82379a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0703138",
    "kind": "arxiv",
    "version": 2
  }
}