Pith Number

pith:ADSF4PB7

pith:2020:ADSF4PB7ZM554XCQFTLLOWIGU2

not attested not anchored not stored refs pending

A Survey of Unsupervised Dependency Parsing

Hwee Tou Ng, Kewei Tu, Wenjuan Han, Yong Jiang

arxiv:2010.01535 v1 · 2020-10-04 · 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{ADSF4PB7ZM554XCQFTLLOWIGU2}

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	2026-07-05T01:40:06.603729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00e45e3c3fcb3bde5c502cd6b75906a69685cbeb15bc5c9a7f42bd727d66056b

Aliases

arxiv: 2010.01535 · arxiv_version: 2010.01535v1 · doi: 10.48550/arxiv.2010.01535 · pith_short_12: ADSF4PB7ZM55 · pith_short_16: ADSF4PB7ZM554XCQ · pith_short_8: ADSF4PB7

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/ADSF4PB7ZM554XCQFTLLOWIGU2 \
  | 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: 00e45e3c3fcb3bde5c502cd6b75906a69685cbeb15bc5c9a7f42bd727d66056b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad9d25b6112b7c200e9f54f0f9f14e3448865b671df1558c5888c3a81941182",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-04T10:51:22Z",
    "title_canon_sha256": "f5794a4e51d86988cb6a7eeb944813176d55b60894e71fcab6fc4cdef3aa5b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.01535",
    "kind": "arxiv",
    "version": 1
  }
}