Pith Number

pith:7HJAYG3D

pith:2020:7HJAYG3DGCD6NIWO4PUKALK43O

not attested not anchored not stored refs pending

Assessing the Helpfulness of Learning Materials with Inference-Based Learner-Like Agent

Chieh-Yang Huang, Lun-Wei Ku, Mei-Hua Chen, Ting-Hao 'Kenneth' Huang, Yun-Hsuan Jen

arxiv:2010.02179 v1 · 2020-10-05 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HJAYG3DGCD6NIWO4PUKALK43O}

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	2026-07-05T01:40:18.318440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9d20c1b633087e6a2cee3e8a02d5cdb8bfff2bcefd37a2c75ca467905a91520

Aliases

arxiv: 2010.02179 · arxiv_version: 2010.02179v1 · doi: 10.48550/arxiv.2010.02179 · pith_short_12: 7HJAYG3DGCD6 · pith_short_16: 7HJAYG3DGCD6NIWO · pith_short_8: 7HJAYG3D

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/7HJAYG3DGCD6NIWO4PUKALK43O \
  | 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: f9d20c1b633087e6a2cee3e8a02d5cdb8bfff2bcefd37a2c75ca467905a91520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4427a64d1707c71601abc28b6083a8177f59e6d23f50e28481c0fcee19909ca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-05T17:24:57Z",
    "title_canon_sha256": "472d6c1c64cb05ed67dc21d0f0d9f9c062ac4ecfd99f06dda3e392c9393e53c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.02179",
    "kind": "arxiv",
    "version": 1
  }
}