Pith Number

pith:HQBOT7R5

pith:2021:HQBOT7R5U7BVCZTNGBNCHQPFSI

not attested not anchored not stored refs pending

A Unified Transformer-based Framework for Duplex Text Normalization

Boris Ginsburg, Evelina Bakhturina, Heng Ji, Tuan Manh Lai, Yang Zhang

arxiv:2108.09889 v1 · 2021-08-23 · 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{HQBOT7R5U7BVCZTNGBNCHQPFSI}

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	2026-07-05T03:07:59.573760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c02e9fe3da7c351666d305a23c1e59204c1c948c66acf7f12fcaaacd13b4522

Aliases

arxiv: 2108.09889 · arxiv_version: 2108.09889v1 · doi: 10.48550/arxiv.2108.09889 · pith_short_12: HQBOT7R5U7BV · pith_short_16: HQBOT7R5U7BVCZTN · pith_short_8: HQBOT7R5

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/HQBOT7R5U7BVCZTNGBNCHQPFSI \
  | 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: 3c02e9fe3da7c351666d305a23c1e59204c1c948c66acf7f12fcaaacd13b4522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02c36bd83aacfbfbdd63c092780184766bc7766a921f7f83eb592d235def54ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-23T01:55:03Z",
    "title_canon_sha256": "f3fed492eb3cd185174490b14359163179c1627504db8c584c213600e989fcbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09889",
    "kind": "arxiv",
    "version": 1
  }
}