Pith Number

pith:COUM4FUO

pith:2018:COUM4FUOPADBYFDVOXSUGJ2KH2

not attested not anchored not stored refs pending

Document Chunking and Learning Objective Generation for Instruction Design

Bikram Sengupta, Christopher J. Butler, Danish Contractor, Jey Han Lau, Khoi-Nguyen Tran, Mukesh Mohania, Utkarsh Gupta

arxiv:1806.01351 v2 · 2018-06-01 · cs.CL · cs.CY · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COUM4FUOPADBYFDVOXSUGJ2KH2}

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	2026-05-18T00:08:54.010519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13a8ce168e78061c147575e543274a3ebeeef90e66c00130a46480706282925a

Aliases

arxiv: 1806.01351 · arxiv_version: 1806.01351v2 · doi: 10.48550/arxiv.1806.01351 · pith_short_12: COUM4FUOPADB · pith_short_16: COUM4FUOPADBYFDV · pith_short_8: COUM4FUO

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/COUM4FUOPADBYFDVOXSUGJ2KH2 \
  | 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: 13a8ce168e78061c147575e543274a3ebeeef90e66c00130a46480706282925a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "471643e57fdeebead5f75441e8786dff059a40e35d6f78299b96be5701873c65",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-01T06:47:28Z",
    "title_canon_sha256": "1c3a0d480552c2bae5495fe33dd0aa183dd485ec0b91e9798dfdcac571516ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01351",
    "kind": "arxiv",
    "version": 2
  }
}