Pith Number

pith:P2F2GQ5F

pith:2016:P2F2GQ5FLNLG3L4IQCTE2QIJRS

not attested not anchored not stored refs pending

A single-mode external cavity diode laser using an intra-cavity atomic Faraday filter with short-term linewidth $<400$ kHz and long-term stability of $<1$ MHz

Charles S Adams, Ifan G Hughes, James Keaveney, William J Hamlyn

arxiv:1607.01969 v1 · 2016-07-07 · physics.atom-ph · physics.ins-det · quant-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{P2F2GQ5FLNLG3L4IQCTE2QIJRS}

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	2026-05-18T01:00:34.326888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e8ba343a55b566daf8880a64d41098ca6c058148842b860ae19a057e1bc6a8f

Aliases

arxiv: 1607.01969 · arxiv_version: 1607.01969v1 · doi: 10.48550/arxiv.1607.01969 · pith_short_12: P2F2GQ5FLNLG · pith_short_16: P2F2GQ5FLNLG3L4I · pith_short_8: P2F2GQ5F

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/P2F2GQ5FLNLG3L4IQCTE2QIJRS \
  | 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: 7e8ba343a55b566daf8880a64d41098ca6c058148842b860ae19a057e1bc6a8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f6117e7575b5674f3506f78a4b9f939ac4be3573c01ec83c7c304ff81aa4be",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-07-07T11:41:34Z",
    "title_canon_sha256": "defd652038d7534fc6c7f9f63866b99caf063f9d8cba03186d1985f5beebd620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01969",
    "kind": "arxiv",
    "version": 1
  }
}