Pith Number

pith:HVAC4LSI

pith:2019:HVAC4LSISKCXDQSO3I7IIRRE5T

not attested not anchored not stored refs pending

Privacy-preserving Active Learning on Sensitive Data for User Intent Classification

Borja Balle, Oluwaseyi Feyisetan, Thomas Drake, Tom Diethe

arxiv:1903.11112 v1 · 2019-03-26 · cs.LG · cs.CL · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVAC4LSISKCXDQSO3I7IIRRE5T}

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	2026-05-17T23:50:04.141999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d402e2e48928571c24eda3e844624eccd9dbd0da39b52a6bc3f4d79e9b7d3e5

Aliases

arxiv: 1903.11112 · arxiv_version: 1903.11112v1 · doi: 10.48550/arxiv.1903.11112 · pith_short_12: HVAC4LSISKCX · pith_short_16: HVAC4LSISKCXDQSO · pith_short_8: HVAC4LSI

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/HVAC4LSISKCXDQSO3I7IIRRE5T \
  | 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: 3d402e2e48928571c24eda3e844624eccd9dbd0da39b52a6bc3f4d79e9b7d3e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600ad4560439130447013ba47cbbf2a751af2096d3af5c63587264cc89930ef5",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-26T18:48:43Z",
    "title_canon_sha256": "48cedf64be15fd30560035d2f319d6996f23ebfb9115ea56f4e899595a8cd78e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11112",
    "kind": "arxiv",
    "version": 1
  }
}