Pith Number

pith:7ZSH6V6L

pith:2019:7ZSH6V6LEIU4YZPNSVQTPLE3MS

not attested not anchored not stored refs pending

Collaborative Interactive Learning -- A clarification of terms and a differentiation from other research fields

Albrecht Schmidt, Bernhard Sick, Gerd Stumme, Jan Marco Leimeister, Jochen Kuhn, Katharina Anna Zweig, Marek Herde, Paul Lukowicz, Sarah Oeste-Rei{\ss}, Sven Tomforde, Tom Hanika

arxiv:1905.07264 v1 · 2019-05-16 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZSH6V6LEIU4YZPNSVQTPLE3MS}

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	2026-05-17T23:45:56.038194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe647f57cb2229cc65ed956137ac9b64a7ef77255f1751cd3fc2ad1d488c22d4

Aliases

arxiv: 1905.07264 · arxiv_version: 1905.07264v1 · doi: 10.48550/arxiv.1905.07264 · pith_short_12: 7ZSH6V6LEIU4 · pith_short_16: 7ZSH6V6LEIU4YZPN · pith_short_8: 7ZSH6V6L

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/7ZSH6V6LEIU4YZPNSVQTPLE3MS \
  | 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: fe647f57cb2229cc65ed956137ac9b64a7ef77255f1751cd3fc2ad1d488c22d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac8fd8755b2ffc08ad8d23373a1b4417aefb0f42eb3b30f150d360117e8c61e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-16T14:59:53Z",
    "title_canon_sha256": "def273668b5418493c48a777a657f1cd6e492f340b7113fe048fc21c38bcf479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07264",
    "kind": "arxiv",
    "version": 1
  }
}