Pith Number

pith:YTLL2KQX

pith:2021:YTLL2KQXN2BBMWRMAGCFUFGQBA

not attested not anchored not stored refs pending

Top-down Discourse Parsing via Sequence Labelling

Fajri Koto, Jey Han Lau, Timothy Baldwin

arxiv:2102.02080 v2 · 2021-02-03 · 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{YTLL2KQXN2BBMWRMAGCFUFGQBA}

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.

Cited by

1 paper in Pith

ESURF: Simple and Effective EDU Segmentation

Receipt and verification

First computed	2026-07-05T02:29:12.528930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d6bd2a176e82165a2c01845a14d00805bea8124a1bb6e3363352f8ed0a49ad

Aliases

arxiv: 2102.02080 · arxiv_version: 2102.02080v2 · doi: 10.48550/arxiv.2102.02080 · pith_short_12: YTLL2KQXN2BB · pith_short_16: YTLL2KQXN2BBMWRM · pith_short_8: YTLL2KQX

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/YTLL2KQXN2BBMWRMAGCFUFGQBA \
  | 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: c4d6bd2a176e82165a2c01845a14d00805bea8124a1bb6e3363352f8ed0a49ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf2006c8275fd6fcd9efc435e6895d9ec34e506aef01165b965bc68ddb16faca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-03T14:30:21Z",
    "title_canon_sha256": "7a1989b830c9dbecd2bc710b32671d8d8586e12ef25e7a995da4a66004f31009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02080",
    "kind": "arxiv",
    "version": 2
  }
}