Pith Number

pith:IMYUL2CT

pith:2017:IMYUL2CTOSKLQ3OHRLRWAIQHOW

not attested not anchored not stored refs pending

Extractive Summarization: Limits, Compression, Generalized Model and Heuristics

Daniel Lee, Rakesh Verma

arxiv:1704.05550 v1 · 2017-04-18 · cs.CL · 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{IMYUL2CTOSKLQ3OHRLRWAIQHOW}

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	2026-05-18T00:20:27.542539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433145e8537494b86dc78ae3602207758de8cddd627e1059063c25beac08e1de

Aliases

arxiv: 1704.05550 · arxiv_version: 1704.05550v1 · doi: 10.48550/arxiv.1704.05550 · pith_short_12: IMYUL2CTOSKL · pith_short_16: IMYUL2CTOSKLQ3OH · pith_short_8: IMYUL2CT

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/IMYUL2CTOSKLQ3OHRLRWAIQHOW \
  | 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: 433145e8537494b86dc78ae3602207758de8cddd627e1059063c25beac08e1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c485c577a989c82da258c4f32a34d2fa6c22a16d6c60eb89b1d2976a8aa56d44",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-18T22:21:22Z",
    "title_canon_sha256": "f762406b189000bad7598fffb915a9cff71b8db9a5cff31a097b4a37a420ff6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05550",
    "kind": "arxiv",
    "version": 1
  }
}