Pith Number

pith:2HOQ7JJD

pith:2025:2HOQ7JJDRJUMZA23KMMVTS4PFH

not attested not anchored not stored refs pending

NexusSum: Hierarchical LLM Agents for Long-Form Narrative Summarization

Byung-Hak Kim, Hyuntak Kim

arxiv:2505.24575 v1 · 2025-05-30 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HOQ7JJDRJUMZA23KMMVTS4PFH}

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	2026-07-05T11:12:52.497790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1dd0fa5238a68cc835b531959cb8f29e950e728e9b63ca19411a37da8a00ccb

Aliases

arxiv: 2505.24575 · arxiv_version: 2505.24575v1 · doi: 10.48550/arxiv.2505.24575 · pith_short_12: 2HOQ7JJDRJUM · pith_short_16: 2HOQ7JJDRJUMZA23 · pith_short_8: 2HOQ7JJD

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/2HOQ7JJDRJUMZA23KMMVTS4PFH \
  | 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: d1dd0fa5238a68cc835b531959cb8f29e950e728e9b63ca19411a37da8a00ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f12cab01cc5be87585746492ae28315b78338095a0f3c81c82ca17beba485948",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-30T13:26:23Z",
    "title_canon_sha256": "c3ae557969ac43c5fee7d5c875560ce443e1b117ae93528feae740b8910d947d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24575",
    "kind": "arxiv",
    "version": 1
  }
}