Pith Number

pith:JLT5K7MZ

pith:2017:JLT5K7MZDAQRSPN5ZREV4ASYSG

not attested not anchored not stored refs pending

Data-Mining Research in Education

Jiechao Cheng

arxiv:1703.10117 v2 · 2017-03-28 · stat.OT · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLT5K7MZDAQRSPN5ZREV4ASYSG}

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	2026-05-18T00:32:02.788096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae7d57d991821193dbdcc495e02589188d16fe516afbfc009b0d323cdfb55ae

Aliases

arxiv: 1703.10117 · arxiv_version: 1703.10117v2 · doi: 10.48550/arxiv.1703.10117 · pith_short_12: JLT5K7MZDAQR · pith_short_16: JLT5K7MZDAQRSPN5 · pith_short_8: JLT5K7MZ

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/JLT5K7MZDAQRSPN5ZREV4ASYSG \
  | 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: 4ae7d57d991821193dbdcc495e02589188d16fe516afbfc009b0d323cdfb55ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1d54a476a8255dbb2632a6327f8ab719076766b92a792f355f53c60d286a07",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2017-03-28T06:14:11Z",
    "title_canon_sha256": "0825b919af66f204c0b57969916792f603e99feecba636bc9a79149ae8014a9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10117",
    "kind": "arxiv",
    "version": 2
  }
}