Pith Number

pith:LARM4O5V

pith:2020:LARM4O5VPG22ULB35EPN5DWQRZ

not attested not anchored not stored refs pending

Unsupervised Summarization by Jointly Extracting Sentences and Keywords

Jun He, Xiaoqing Zheng, Zongyi Li

arxiv:2009.07481 v2 · 2020-09-16 · 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{LARM4O5VPG22ULB35EPN5DWQRZ}

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	2026-07-05T06:33:38.540189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5822ce3bb579b5aa2c3be91ede8ed08e6277ee522ca3f9fbc7ddd8cc839f31ba

Aliases

arxiv: 2009.07481 · arxiv_version: 2009.07481v2 · doi: 10.48550/arxiv.2009.07481 · pith_short_12: LARM4O5VPG22 · pith_short_16: LARM4O5VPG22ULB3 · pith_short_8: LARM4O5V

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/LARM4O5VPG22ULB35EPN5DWQRZ \
  | 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: 5822ce3bb579b5aa2c3be91ede8ed08e6277ee522ca3f9fbc7ddd8cc839f31ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1441c06a32f53105422a7fec5da339acc0313a37041f127ac5a7dcd3b03b8172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-09-16T05:58:00Z",
    "title_canon_sha256": "32d0b061a95590890ee68c0fb80d295e073052dbb5b6ab02d4cf7e989cfeb042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07481",
    "kind": "arxiv",
    "version": 2
  }
}