Pith Number

pith:2LKGNNEK

pith:2025:2LKGNNEKR3HQJH53RZ23LEWMXQ

not attested not anchored not stored refs pending

DiscoSum: Discourse-aware News Summarization

Alexander Spangher, Jialiang Gu, Jiatong Shi, Muhao Chen, Tenghao Huang

arxiv:2506.06930 v1 · 2025-06-07 · 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{2LKGNNEKR3HQJH53RZ23LEWMXQ}

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	2026-07-05T11:17:58.411861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2d466b48a8ecf049fbb8e75b592ccbc20ec70f04d50bf9b06cff072b5256b46

Aliases

arxiv: 2506.06930 · arxiv_version: 2506.06930v1 · doi: 10.48550/arxiv.2506.06930 · pith_short_12: 2LKGNNEKR3HQ · pith_short_16: 2LKGNNEKR3HQJH53 · pith_short_8: 2LKGNNEK

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/2LKGNNEKR3HQJH53RZ23LEWMXQ \
  | 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: d2d466b48a8ecf049fbb8e75b592ccbc20ec70f04d50bf9b06cff072b5256b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeb71e5fa28c4231c63670bbe66a9afb3db77e399c245f199005cea3fd6eea1f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-07T22:00:30Z",
    "title_canon_sha256": "5cee859209761fe3baa7115f7d712a6a04f70c3300a08ea3b05c5871100d8b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06930",
    "kind": "arxiv",
    "version": 1
  }
}