Pith Number

pith:5JT5T4HF

pith:2019:5JT5T4HFDTIUM6UTRDB2RDYDSU

not attested not anchored not stored refs pending

Machine Teaching by Domain Experts: Towards More Humane,Inclusive, and Intelligent Machine Learning Systems

Claudio Pinhanez

arxiv:1908.08931 v1 · 2019-08-19 · cs.CY · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JT5T4HFDTIUM6UTRDB2RDYDSU}

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	2026-07-04T23:59:25.358331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea67d9f0e51cd1467a9388c3a88f039509ca79784d29852d3bee3b4b51afdd03

Aliases

arxiv: 1908.08931 · arxiv_version: 1908.08931v1 · doi: 10.48550/arxiv.1908.08931 · pith_short_12: 5JT5T4HFDTIU · pith_short_16: 5JT5T4HFDTIUM6UT · pith_short_8: 5JT5T4HF

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/5JT5T4HFDTIUM6UTRDB2RDYDSU \
  | 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: ea67d9f0e51cd1467a9388c3a88f039509ca79784d29852d3bee3b4b51afdd03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7678e47b37b48174ba2864a83196d8f88ccaa06001987c2afaadc72cdfc625f0",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-08-19T20:47:18Z",
    "title_canon_sha256": "f3d130e60af03c1ae9a89eb0eeb07c5a5857f9d0b5dca1e1f673a12a545dc769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08931",
    "kind": "arxiv",
    "version": 1
  }
}