Pith Number

pith:DMKHOMVO

pith:2018:DMKHOMVODZHGPFCRB6OFE5JATR

not attested not anchored not stored refs pending

Aspects on Finding the Optimal Practical Programming Exercise for MOOCs

Christiane Hagedorn, Ralf Teusner, Thomas Hille

arxiv:1809.08056 v1 · 2018-09-21 · cs.SE · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMKHOMVODZHGPFCRB6OFE5JATR}

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	2026-05-18T00:05:10.466297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b147732ae1e4e6794510f9c5275209c4b0590b294f576a95b330b2f67724969

Aliases

arxiv: 1809.08056 · arxiv_version: 1809.08056v1 · doi: 10.48550/arxiv.1809.08056 · pith_short_12: DMKHOMVODZHG · pith_short_16: DMKHOMVODZHGPFCR · pith_short_8: DMKHOMVO

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/DMKHOMVODZHGPFCRB6OFE5JATR \
  | 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: 1b147732ae1e4e6794510f9c5275209c4b0590b294f576a95b330b2f67724969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7fdf26803da64ad881e0eab98abeb033e8d1d6fddcbe5d06dd0dee7dad8df75",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-09-21T12:19:41Z",
    "title_canon_sha256": "c998b0aec9bbc2b04af779e7617a1dc8d676a6ceaf4d26dc5cbb623145d89c6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08056",
    "kind": "arxiv",
    "version": 1
  }
}