Pith Number

pith:ZYA5JORC

pith:2019:ZYA5JORCHUP7WHGYIMQNPZY4XC

not attested not anchored not stored refs pending

Exploiting Cognitive Structure for Adaptive Learning

Chuanren Liu, Enhong Chen, Haiping Ma, Hongke Zhao, Qi Liu, Shijin Wang, Shiwei Tong

arxiv:1905.12470 v1 · 2019-05-23 · cs.CY · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZYA5JORCHUP7WHGYIMQNPZY4XC}

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	2026-05-17T23:44:44.179869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce01d4ba223d1ffb1cd84320d7e71cb8a1465c4b2e8ec15c44d52ddb7c514bc7

Aliases

arxiv: 1905.12470 · arxiv_version: 1905.12470v1 · doi: 10.48550/arxiv.1905.12470 · pith_short_12: ZYA5JORCHUP7 · pith_short_16: ZYA5JORCHUP7WHGY · pith_short_8: ZYA5JORC

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/ZYA5JORCHUP7WHGYIMQNPZY4XC \
  | 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: ce01d4ba223d1ffb1cd84320d7e71cb8a1465c4b2e8ec15c44d52ddb7c514bc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9124cf071a33b605a99224b001a07722bbcdcd3ae7ec6f4e6f9b49a682858071",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-05-23T09:23:57Z",
    "title_canon_sha256": "b5627e06c4438b1fb8c8a7324b7b5abed31ae13142aa117dbeebb439a002dd46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12470",
    "kind": "arxiv",
    "version": 1
  }
}