Pith Number

pith:NIZU24L2

pith:2024:NIZU24L2GXWFLFYRDVTHKFHFXH

not attested not anchored not stored refs pending

Incremental Extractive Opinion Summarization Using Cover Trees

Amr Ahmed, Andrew McCallum, Avinava Dubey, Manzil Zaheer, Nicholas Monath, Snigdha Chaturvedi, Somnath Basu Roy Chowdhury

arxiv:2401.08047 v2 · 2024-01-16 · cs.CL · 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{NIZU24L2GXWFLFYRDVTHKFHFXH}

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	2026-07-05T08:07:13.023808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a334d717a35ec5597111d667514e5b9e862fe7b47248f95e1ee5471fd586389

Aliases

arxiv: 2401.08047 · arxiv_version: 2401.08047v2 · doi: 10.48550/arxiv.2401.08047 · pith_short_12: NIZU24L2GXWF · pith_short_16: NIZU24L2GXWFLFYR · pith_short_8: NIZU24L2

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/NIZU24L2GXWFLFYRDVTHKFHFXH \
  | 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: 6a334d717a35ec5597111d667514e5b9e862fe7b47248f95e1ee5471fd586389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d63a84e01c4f5d72014153bbe7d517d218203539efa8785d540a95fdf75f84b2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-01-16T02:00:17Z",
    "title_canon_sha256": "707bd766151260d73d0b8e0287a9b40e301586fed46ece605f7e7a16b7a96740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.08047",
    "kind": "arxiv",
    "version": 2
  }
}