Pith Number

pith:4BFJK5WE

pith:2019:4BFJK5WEQUDFOKM3GFQMAGKSQM

not attested not anchored not stored refs pending

Unity in Diversity: Learning Distributed Heterogeneous Sentence Representation for Extractive Summarization

Abhishek Kumar Singh, Manish Gupta, Vasudeva Varma

arxiv:1912.11688 v1 · 2019-12-25 · cs.CL · cs.IR · 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{4BFJK5WEQUDFOKM3GFQMAGKSQM}

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	2026-07-05T00:28:28.716284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e04a9576c4850657299b3160c01952833ca2129e43cee654c93bd0c2f16d2314

Aliases

arxiv: 1912.11688 · arxiv_version: 1912.11688v1 · doi: 10.48550/arxiv.1912.11688 · pith_short_12: 4BFJK5WEQUDF · pith_short_16: 4BFJK5WEQUDFOKM3 · pith_short_8: 4BFJK5WE

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/4BFJK5WEQUDFOKM3GFQMAGKSQM \
  | 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: e04a9576c4850657299b3160c01952833ca2129e43cee654c93bd0c2f16d2314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b97f39060107fb151e164aee05b7d441d9bee637cf4e8ceddb86b22e12457b4",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-12-25T16:25:29Z",
    "title_canon_sha256": "aa06a5afb35b1a33bf7eacf61417b50f1d86256b928188c4cced6991e64bcecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.11688",
    "kind": "arxiv",
    "version": 1
  }
}