Pith Number

pith:HTQCDOEU

pith:2019:HTQCDOEUYRX2JBMUWV4XM6RD2H

not attested not anchored not stored refs pending

Analytical Modeling and Design of Fresnel Lens Transducers

Babur Hadimioglu, Kapil Dev, Vibhu Vivek, Yehia Massoud

arxiv:1907.09339 v1 · 2019-06-30 · physics.app-ph · physics.bio-ph · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTQCDOEUYRX2JBMUWV4XM6RD2H}

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	2026-05-17T23:39:59.448802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce021b894c46fa48594b579767a23d1fb5a3bbbae42cb20e4c3726d174c9bcc

Aliases

arxiv: 1907.09339 · arxiv_version: 1907.09339v1 · doi: 10.48550/arxiv.1907.09339 · pith_short_12: HTQCDOEUYRX2 · pith_short_16: HTQCDOEUYRX2JBMU · pith_short_8: HTQCDOEU

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/HTQCDOEUYRX2JBMUWV4XM6RD2H \
  | 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: 3ce021b894c46fa48594b579767a23d1fb5a3bbbae42cb20e4c3726d174c9bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ca1ddedcd5edbb9428a87dc1a68324a1b44454c6a8c1707f450e531744ab17",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-06-30T17:47:47Z",
    "title_canon_sha256": "84330f42a1956f49bf1ee91e9294c898273c4278a39b487ae7ae04bef97828b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09339",
    "kind": "arxiv",
    "version": 1
  }
}