Pith Number

pith:PPJMAAW5

pith:2019:PPJMAAW5KZHT65M75NOGUBSQYQ

not attested not anchored not stored refs pending

On-chip label-free biosensing based on active whispering gallery mode resonators pumped by a light-emitting diode

Hansuek Lee, Yeseul Kim

arxiv:1908.04506 v1 · 2019-08-13 · 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{PPJMAAW5KZHT65M75NOGUBSQYQ}

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	2026-07-05T00:31:15.287285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd2c002dd564f3f759feb5c6a0650c403d46f1d25c2ead3dd1470b563094085

Aliases

arxiv: 1908.04506 · arxiv_version: 1908.04506v1 · doi: 10.48550/arxiv.1908.04506 · pith_short_12: PPJMAAW5KZHT · pith_short_16: PPJMAAW5KZHT65M7 · pith_short_8: PPJMAAW5

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/PPJMAAW5KZHT65M75NOGUBSQYQ \
  | 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: 7bd2c002dd564f3f759feb5c6a0650c403d46f1d25c2ead3dd1470b563094085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eef3bfbb0adcecf5a78e3f00a2d17b93588cc9aa4d394b439d892fa455ceaf3e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-08-13T06:13:34Z",
    "title_canon_sha256": "329a808b3311305bf74da665716aad61a067b877c534bad52b759c77cbb8710f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04506",
    "kind": "arxiv",
    "version": 1
  }
}