Pith Number

pith:JJ7H6DZM

pith:2018:JJ7H6DZMTII5G77N5Y4Q62D6GR

not attested not anchored not stored refs pending

Automatic Summarization of Student Course Feedback

Diane Litman, Fei Liu, Wencan Luo, Zitao Liu

arxiv:1805.10395 v1 · 2018-05-25 · 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{JJ7H6DZMTII5G77N5Y4Q62D6GR}

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	2026-05-18T00:14:52.679857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7e7f0f2c9a11d37fedee390f687e34496e1914b53e2b914143b2efdc5eaf9e

Aliases

arxiv: 1805.10395 · arxiv_version: 1805.10395v1 · doi: 10.48550/arxiv.1805.10395 · pith_short_12: JJ7H6DZMTII5 · pith_short_16: JJ7H6DZMTII5G77N · pith_short_8: JJ7H6DZM

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/JJ7H6DZMTII5G77N5Y4Q62D6GR \
  | 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: 4a7e7f0f2c9a11d37fedee390f687e34496e1914b53e2b914143b2efdc5eaf9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff07b5979e04db0a25d90fbd092604303518b375d9d0ff17a689b0fc227f2579",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-25T23:36:33Z",
    "title_canon_sha256": "6c32f378784f5196f4ce82eeff434de45d4c8a3e52bbaa4ddbccf95f8a63b795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10395",
    "kind": "arxiv",
    "version": 1
  }
}