Pith Number

pith:KW3OZ2QS

pith:2018:KW3OZ2QS2SU4BRMRNAPLVJ2NFI

not attested not anchored not stored refs pending

App creation in schools for different curricula subjects - lesson learned

Bernadette Spieler, Christian Schindler, Olena Mashkina, Wolfgang Slany

arxiv:1805.04465 v2 · 2018-05-11 · 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{KW3OZ2QS2SU4BRMRNAPLVJ2NFI}

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	2026-05-18T00:06:46.023039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b6ecea12d4a9c0c591681ebaa74d2a385c8c4c187a4205cbe4c213df2c1263

Aliases

arxiv: 1805.04465 · arxiv_version: 1805.04465v2 · doi: 10.48550/arxiv.1805.04465 · pith_short_12: KW3OZ2QS2SU4 · pith_short_16: KW3OZ2QS2SU4BRMR · pith_short_8: KW3OZ2QS

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/KW3OZ2QS2SU4BRMRNAPLVJ2NFI \
  | 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: 55b6ecea12d4a9c0c591681ebaa74d2a385c8c4c187a4205cbe4c213df2c1263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa07c10f235c00158e81ae7fa02e82c57b17c496da0e14b2a8fe6769a66aeb39",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-05-11T16:05:01Z",
    "title_canon_sha256": "841b138542b35f358192a87355f51c815aed1752d82efd19b6ecd34858b9abff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04465",
    "kind": "arxiv",
    "version": 2
  }
}