Pith Number

pith:PCBLKUP6

pith:2019:PCBLKUP62C2EEK2SC4C6NYBULK

not attested not anchored not stored refs pending

How to Write Summaries with Patterns? Learning towards Abstractive Summarization through Prototype Editing

Dongyan Zhao, Piji Li, Rui Yan, Shen Gao, Xiuying Chen, Zhangming Chan

arxiv:1909.08837 v1 · 2019-09-19 · 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{PCBLKUP62C2EEK2SC4C6NYBULK}

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	2026-07-05T00:05:38.194426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7882b551fed0b4422b521705e6e0345a81e9af3aa4644d0d7d5b40bd5c5d68cd

Aliases

arxiv: 1909.08837 · arxiv_version: 1909.08837v1 · doi: 10.48550/arxiv.1909.08837 · pith_short_12: PCBLKUP62C2E · pith_short_16: PCBLKUP62C2EEK2S · pith_short_8: PCBLKUP6

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/PCBLKUP62C2EEK2SC4C6NYBULK \
  | 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: 7882b551fed0b4422b521705e6e0345a81e9af3aa4644d0d7d5b40bd5c5d68cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d462330991afb62c2a49c9a634e21181e67db96639a2cd9d1221e90b980e0f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-19T07:36:54Z",
    "title_canon_sha256": "61bfc60785bffe903d556d2b078964e4e7eacbe8bfe8a1d51e0c50e257782904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08837",
    "kind": "arxiv",
    "version": 1
  }
}