Pith Number

pith:BN7IWKDA

pith:2012:BN7IWKDAOGAGOMH27KIHDTC2IF

not attested not anchored not stored refs pending

A photonic crystal cavity-optical fiber tip nanoparticle sensor for biomedical applications

Aman Khurana, Gary Shambat, Heike Daldrup-Link, James Harris, Jelena Vuckovic, J Provine, Kai Cheng, Sanjiv Sam Gambhir, Sri Rajasekhar Kothapalli, Tomas Sarmiento, Zhen Cheng

arxiv:1204.0818 v1 · 2012-04-03 · physics.optics

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:57:57.386538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b7e8b286071806730fafa9071cc5a415629b2c3946dc48675792e70736f847e

Aliases

arxiv: 1204.0818 · arxiv_version: 1204.0818v1 · doi: 10.48550/arxiv.1204.0818 · pith_short_12: BN7IWKDAOGAG · pith_short_16: BN7IWKDAOGAGOMH2 · pith_short_8: BN7IWKDA

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/BN7IWKDAOGAGOMH27KIHDTC2IF \
  | 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: 0b7e8b286071806730fafa9071cc5a415629b2c3946dc48675792e70736f847e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45376bf1df92edbe0fecbeeb735c94966011ff3dd3de6a44bcba20d2c99ee3d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-04-03T22:00:31Z",
    "title_canon_sha256": "a7e49d5fd1b96ca1c2b83501a5d5e9a6442b74b6c0f51e74d7dc34614ef9ac35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0818",
    "kind": "arxiv",
    "version": 1
  }
}