Pith Number

pith:24HVLWFS

pith:2010:24HVLWFSY5IXXQT7GBLDHOSAQ6

not attested not anchored not stored refs pending

An adaptive algorithm for the cornea modeling from keratometric data

Andrei Martinez-Finkelshtein, Dario Ramos-Lopez, Gracia M. Castro-Luna, Jorge L. Alio

arxiv:1009.1244 v1 · 2010-09-07 · physics.med-ph · cs.NA · math.NA · 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{24HVLWFSY5IXXQT7GBLDHOSAQ6}

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	2026-06-03T23:06:41.130784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d70f55d8b2c7517bc27f305633ba40878aedc76eccbb0980b2597f3f59917f18

Aliases

arxiv: 1009.1244 · arxiv_version: 1009.1244v1 · doi: 10.48550/arxiv.1009.1244 · pith_short_12: 24HVLWFSY5IX · pith_short_16: 24HVLWFSY5IXXQT7 · pith_short_8: 24HVLWFS

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/24HVLWFSY5IXXQT7GBLDHOSAQ6 \
  | 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: d70f55d8b2c7517bc27f305633ba40878aedc76eccbb0980b2597f3f59917f18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724848e2f446c4d0ef0c5e301856f64ebf6a1923d7230f31ae6bf0700bd04170",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2010-09-07T09:54:12Z",
    "title_canon_sha256": "2b0ae2bc50175025664483a3c01ec4fde4a933c6d35222850aa648ae38200923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1244",
    "kind": "arxiv",
    "version": 1
  }
}