Pith Number

pith:YYTP5K2U

pith:2021:YYTP5K2UZ65CNY634XOPBEBDPW

not attested not anchored not stored refs pending

Summary Explorer: Visualizing the State of the Art in Text Summarization

Khalid Al-Khatib, Martin Potthast, Shahbaz Syed, Stefan J\"anicke, Tariq Yousef

arxiv:2108.01879 v2 · 2021-08-04 · 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{YYTP5K2UZ65CNY634XOPBEBDPW}

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	2026-07-05T03:17:04.165515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c626feab54cfba26e3dbe5dcf090237daa9520b94186b5f8b029676cbb4cfade

Aliases

arxiv: 2108.01879 · arxiv_version: 2108.01879v2 · doi: 10.48550/arxiv.2108.01879 · pith_short_12: YYTP5K2UZ65C · pith_short_16: YYTP5K2UZ65CNY63 · pith_short_8: YYTP5K2U

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/YYTP5K2UZ65CNY634XOPBEBDPW \
  | 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: c626feab54cfba26e3dbe5dcf090237daa9520b94186b5f8b029676cbb4cfade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3342480ba715496a42d9ab87a85d02f4cf1308ea933607351d27b948b11aec95",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-04T07:11:19Z",
    "title_canon_sha256": "efd21faea9f77a3fa6184714c8a0c2825d994848536d625b80feabe81f06fbf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01879",
    "kind": "arxiv",
    "version": 2
  }
}