Pith Number

pith:4SBMZ5Q7

pith:2018:4SBMZ5Q7JSPM7BZZQIX32JAIKC

not attested not anchored not stored refs pending

Chip-based Resonance Raman Spectroscopy Using Tantalum Pentoxide Waveguides

Balpreet S. Ahluwalia, David A. Coucheron, Dushan N. Wadduwage, G. Senthil Murugan, Peter T. C. So

arxiv:1811.07964 v1 · 2018-11-11 · physics.app-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{4SBMZ5Q7JSPM7BZZQIX32JAIKC}

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	2026-05-17T23:39:57.859474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e482ccf61f4c9ecf8739822fbd2408508132e655791c80061ed974c661ae1eb6

Aliases

arxiv: 1811.07964 · arxiv_version: 1811.07964v1 · doi: 10.48550/arxiv.1811.07964 · pith_short_12: 4SBMZ5Q7JSPM · pith_short_16: 4SBMZ5Q7JSPM7BZZ · pith_short_8: 4SBMZ5Q7

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/4SBMZ5Q7JSPM7BZZQIX32JAIKC \
  | 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: e482ccf61f4c9ecf8739822fbd2408508132e655791c80061ed974c661ae1eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94dc0b320927527b5e1778dabbe741fa49b503221a2bd2d1bb3e232b134edbe9",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-11-11T17:36:21Z",
    "title_canon_sha256": "18775076bef036d55cf198641dfec9888f05a17a4a514cc33bc77fd5ce4b3182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07964",
    "kind": "arxiv",
    "version": 1
  }
}