Pith Number

pith:RAF3BVZ7

pith:2019:RAF3BVZ752A7MOKLV43JSECOGG

not attested not anchored not stored refs pending

Evaluation of central corneal thickness in keratoconus and normal corneas during air puff indentation

Chenglang Yuan, Dan Lin, Lei Tian, Like Wang, Wenxiu Shi, Yongjin Zhou

arxiv:1901.01772 v1 · 2019-01-07 · 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{RAF3BVZ752A7MOKLV43JSECOGG}

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	2026-05-17T23:56:51.270470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

880bb0d73fee81f6394baf3699104e3195754315d249ae6d4f2c45798a5ed8e1

Aliases

arxiv: 1901.01772 · arxiv_version: 1901.01772v1 · doi: 10.48550/arxiv.1901.01772 · pith_short_12: RAF3BVZ752A7 · pith_short_16: RAF3BVZ752A7MOKL · pith_short_8: RAF3BVZ7

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/RAF3BVZ752A7MOKLV43JSECOGG \
  | 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: 880bb0d73fee81f6394baf3699104e3195754315d249ae6d4f2c45798a5ed8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc2595ccb73fa29af0afc68c983ebf290bc1fc0a5bb792768da4eb8cb09457e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-01-07T12:32:13Z",
    "title_canon_sha256": "91391d898844f9c7e101bd7c7692ebd113271a700e74c83b2f2c03381aa2ad6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01772",
    "kind": "arxiv",
    "version": 1
  }
}