Pith Number

pith:CB2IBZ75

pith:2019:CB2IBZ754RAANTM723T6V64NWS

not attested not anchored not stored refs pending

Collaborative and Privacy-Preserving Machine Teaching via Consensus Optimization

Christopher Gates, Kevin Roundy, Yufei Han, Yun Shen, Yuzhe Ma

arxiv:1905.02796 v1 · 2019-05-07 · cs.LG · 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{CB2IBZ754RAANTM723T6V64NWS}

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	2026-05-17T23:46:45.388487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

107480e7fde44006cd9fd6e7eafb8db4a09c48f8fe6c3e97b7ce8437b72a02b1

Aliases

arxiv: 1905.02796 · arxiv_version: 1905.02796v1 · doi: 10.48550/arxiv.1905.02796 · pith_short_12: CB2IBZ754RAA · pith_short_16: CB2IBZ754RAANTM7 · pith_short_8: CB2IBZ75

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/CB2IBZ754RAANTM723T6V64NWS \
  | 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: 107480e7fde44006cd9fd6e7eafb8db4a09c48f8fe6c3e97b7ce8437b72a02b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "438e4fa9fa17b0934752f151cc00ba4086bc6c0822abe992aee4da3e2a678f52",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-07T20:15:31Z",
    "title_canon_sha256": "e162c9910f9b77f963d81003fd70ddd976d8435bcf1b956247022f54b674d815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02796",
    "kind": "arxiv",
    "version": 1
  }
}