Pith Number

pith:7ZCTI2OZ

pith:2023:7ZCTI2OZCPH54Z7NALOXZPY53F

not attested not anchored not stored refs pending

Interference filter based external-cavity diode laser with combined dual interference filters and largely adjustable feedback range

Jun He, Junmin Wang, Rui Chang

arxiv:2307.08216 v2 · 2023-07-17 · 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{7ZCTI2OZCPH54Z7NALOXZPY53F}

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	2026-07-05T07:17:28.808022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe453469d913cfde67ed02dd7cbf1dd952bcc7cdb7308615c11deacd41403f5f

Aliases

arxiv: 2307.08216 · arxiv_version: 2307.08216v2 · doi: 10.48550/arxiv.2307.08216 · pith_short_12: 7ZCTI2OZCPH5 · pith_short_16: 7ZCTI2OZCPH54Z7N · pith_short_8: 7ZCTI2OZ

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/7ZCTI2OZCPH54Z7NALOXZPY53F \
  | 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: fe453469d913cfde67ed02dd7cbf1dd952bcc7cdb7308615c11deacd41403f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fded4a2ae200189b3d53c96692db3c8698a3c23063fa74f9a705471187efdb2e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2023-07-17T03:26:46Z",
    "title_canon_sha256": "78fa39eb673bf06742307f3f0082a65c0e76e8a78c3f8e7ce06c359f702f9e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.08216",
    "kind": "arxiv",
    "version": 2
  }
}