Pith Number

pith:UDVS2QEH

pith:2018:UDVS2QEHP4TVBOTPIQIZ24IXJF

not attested not anchored not stored refs pending

Refractive-Index-based ultrasound sensing with photonic crystal slabs

Cory Rewcastle, Eric Y. Zhu, Li Qian, Ofer Levi, Raanan Gad

arxiv:1812.03812 v2 · 2018-10-30 · 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{UDVS2QEHP4TVBOTPIQIZ24IXJF}

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	2026-05-17T23:43:50.360751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0eb2d40877f2750ba6f44119d71174955f68a1a52061d515f1e12d8ae14f8a7

Aliases

arxiv: 1812.03812 · arxiv_version: 1812.03812v2 · doi: 10.48550/arxiv.1812.03812 · pith_short_12: UDVS2QEHP4TV · pith_short_16: UDVS2QEHP4TVBOTP · pith_short_8: UDVS2QEH

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/UDVS2QEHP4TVBOTPIQIZ24IXJF \
  | 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: a0eb2d40877f2750ba6f44119d71174955f68a1a52061d515f1e12d8ae14f8a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f08de45c228dafb2ec9d32b80fa9d4b7aa49ebad81f44592e8e58a10d2576ad",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-10-30T19:12:40Z",
    "title_canon_sha256": "afb3c325ba03b3855415f2be2b81081abbc27f08ed30eea1ad739a6e34c6edde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03812",
    "kind": "arxiv",
    "version": 2
  }
}