Pith Number

pith:PK2SUGHP

pith:2021:PK2SUGHP6VUVZRUYN7SNHPZCWX

not attested not anchored not stored refs pending

Transformer-based Lexically Constrained Headline Generation

Hideaki Tamori, Kentaro Inui, Koichi Takeda, Kosuke Yamada, Naoaki Okazaki, Ryohei Sasano, Yuta Hitomi

arxiv:2109.07080 v1 · 2021-09-15 · 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{PK2SUGHP6VUVZRUYN7SNHPZCWX}

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	2026-07-05T03:14:38.626964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab52a18eff5695cc6986fe4d3bf22b5ea3dbf3d6e7e7f7e2e7b51427c7a46ab

Aliases

arxiv: 2109.07080 · arxiv_version: 2109.07080v1 · doi: 10.48550/arxiv.2109.07080 · pith_short_12: PK2SUGHP6VUV · pith_short_16: PK2SUGHP6VUVZRUY · pith_short_8: PK2SUGHP

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/PK2SUGHP6VUVZRUYN7SNHPZCWX \
  | 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: 7ab52a18eff5695cc6986fe4d3bf22b5ea3dbf3d6e7e7f7e2e7b51427c7a46ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3c004bb7b37b0b007f1516245ca51ee17d64a401fffdaa4f0c0b8f91778b4e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-15T05:09:46Z",
    "title_canon_sha256": "4614aaebecfd6599bc0e4caf7f4acc72e40befdf5b677e5ef5cd420f7b540996"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07080",
    "kind": "arxiv",
    "version": 1
  }
}