Pith Number

pith:NNYE64PQ

pith:2017:NNYE64PQEAI7NG57OWIMVVU6YN

not attested not anchored not stored refs pending

Unsupervised Learning of Morphological Forests

Jiaming Luo, Karthik Narasimhan, Regina Barzilay

arxiv:1702.07015 v1 · 2017-02-22 · 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{NNYE64PQEAI7NG57OWIMVVU6YN}

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	2026-05-18T00:50:08.643855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b704f71f02011f69bbf7590cad69ec36d3db856a52e3854a88ac96db26aa622

Aliases

arxiv: 1702.07015 · arxiv_version: 1702.07015v1 · doi: 10.48550/arxiv.1702.07015 · pith_short_12: NNYE64PQEAI7 · pith_short_16: NNYE64PQEAI7NG57 · pith_short_8: NNYE64PQ

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/NNYE64PQEAI7NG57OWIMVVU6YN \
  | 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: 6b704f71f02011f69bbf7590cad69ec36d3db856a52e3854a88ac96db26aa622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26272f945839617a7aa66c602d926d7a20177e274418d25947b2be6edb31ed6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-22T21:44:02Z",
    "title_canon_sha256": "de6da1e1ac2c8c790475166afb4f710c195e494a416d893bac329e10ad804143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07015",
    "kind": "arxiv",
    "version": 1
  }
}