Pith Number

pith:YGPHYE4C

pith:2023:YGPHYE4CFPF6HOG2NIFI4EONI2

not attested not anchored not stored refs pending

Does Informativeness Matter? Active Learning for Educational Dialogue Act Classification

David Lang, Dragan Gasevic, Guanliang Chen, Jionghao Lin, Lan Du, Wei Tan, Wray Buntine

arxiv:2304.05578 v1 · 2023-04-12 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGPHYE4CFPF6HOG2NIFI4EONI2}

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	2026-07-05T06:00:20.649619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19e7c13822bcbe3b8da6a0a8e11cd46835c7d1598f9a69ebad34b180a39c4c9

Aliases

arxiv: 2304.05578 · arxiv_version: 2304.05578v1 · doi: 10.48550/arxiv.2304.05578 · pith_short_12: YGPHYE4CFPF6 · pith_short_16: YGPHYE4CFPF6HOG2 · pith_short_8: YGPHYE4C

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/YGPHYE4CFPF6HOG2NIFI4EONI2 \
  | 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: c19e7c13822bcbe3b8da6a0a8e11cd46835c7d1598f9a69ebad34b180a39c4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e0ac073983ff6cd84a23aba2a4d601241077216492c96a479189e6d19faf3bf",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-04-12T02:42:20Z",
    "title_canon_sha256": "398011df64d4b9f2e85a6e42ccdb6fbf88f5ba23a6eaf14a4daee8f9540542aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.05578",
    "kind": "arxiv",
    "version": 1
  }
}