Pith Number

pith:3XKORDSA

pith:2017:3XKORDSACAFMTZTLBS2J664JIY

not attested not anchored not stored refs pending

An EM Algorithm for Estimating an Oral Reading Speed and Accuracy Model

Akihito Kamata, Cornelis J. Potgieter, Yusuf Kara

arxiv:1705.10446 v1 · 2017-05-30 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XKORDSACAFMTZTLBS2J664JIY}

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	2026-05-18T00:43:24.567279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd4e88e40100ac9e66b0cb49f7b89463a8f95b678cc927e47d9d123ba0fe9e7

Aliases

arxiv: 1705.10446 · arxiv_version: 1705.10446v1 · doi: 10.48550/arxiv.1705.10446 · pith_short_12: 3XKORDSACAFM · pith_short_16: 3XKORDSACAFMTZTL · pith_short_8: 3XKORDSA

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/3XKORDSACAFMTZTLBS2J664JIY \
  | 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: ddd4e88e40100ac9e66b0cb49f7b89463a8f95b678cc927e47d9d123ba0fe9e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623d1e5ef0be77188baeaacc00d4e0437db2ed5fc4f0d862a4b8be3c18b5001b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-05-30T03:29:17Z",
    "title_canon_sha256": "0ce1714cd1a4044e9dfba23957d75969dba8802170de09f41e70dbc5a23184ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10446",
    "kind": "arxiv",
    "version": 1
  }
}