Pith Number

pith:6ERQEMAI

pith:2016:6ERQEMAI5FJYNIWGPPPXAPNWR5

not attested not anchored not stored refs pending

Two-dimensional relative peripheral refractive error induced by Fractal Contact Lenses for myopia control

Juan A. Monsoriu, Karina Naydenova, Manuel Rodriguez-Vallejo, Vicente Ferrando, Walter D. Furlan

arxiv:1609.06987 v2 · 2016-09-21 · 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{6ERQEMAI5FJYNIWGPPPXAPNWR5}

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	2026-05-18T01:02:21.977162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f123023008e95386a2c67bdf703db68f696b2f0063882d2352d6ddb20efa1792

Aliases

arxiv: 1609.06987 · arxiv_version: 1609.06987v2 · doi: 10.48550/arxiv.1609.06987 · pith_short_12: 6ERQEMAI5FJY · pith_short_16: 6ERQEMAI5FJYNIWG · pith_short_8: 6ERQEMAI

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/6ERQEMAI5FJYNIWGPPPXAPNWR5 \
  | 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: f123023008e95386a2c67bdf703db68f696b2f0063882d2352d6ddb20efa1792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54b58c21194d223d42ab707f368cbec99020c8fc4d7d0a0a515d155b09b4a99b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-09-21T18:17:47Z",
    "title_canon_sha256": "85ad7da86616787d2ed3d1f6f1bd8ca3515691886feaf98a534fd1ea99bf0691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06987",
    "kind": "arxiv",
    "version": 2
  }
}