Pith Number

pith:UXK7DIXA

pith:2018:UXK7DIXACDLVJ3AX2KGJBXKJDC

not attested not anchored not stored refs pending

DeepChannel: Salience Estimation by Contrastive Learning for Extractive Document Summarization

Chen Liang, Hanwang Zhang, Jiaxin Shi, Juanzi Li, Lei Hou, Zhiyuan Liu

arxiv:1811.02394 v2 · 2018-11-06 · 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{UXK7DIXACDLVJ3AX2KGJBXKJDC}

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	2026-05-18T00:01:21.358881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5d5f1a2e010d754ec17d28c90dd4918bdd7667c27140e6d7a69ac2fd3562a4d

Aliases

arxiv: 1811.02394 · arxiv_version: 1811.02394v2 · doi: 10.48550/arxiv.1811.02394 · pith_short_12: UXK7DIXACDLV · pith_short_16: UXK7DIXACDLVJ3AX · pith_short_8: UXK7DIXA

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/UXK7DIXACDLVJ3AX2KGJBXKJDC \
  | 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: a5d5f1a2e010d754ec17d28c90dd4918bdd7667c27140e6d7a69ac2fd3562a4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed46e4e5c281fb76b838beda865a869d77c0c862566f31d7055210f18ca0640c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-11-06T15:06:44Z",
    "title_canon_sha256": "c6522ffceb342ff2a39219ad382f828b3304bbafccb85233f43f08a1e2a11519"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02394",
    "kind": "arxiv",
    "version": 2
  }
}