Pith Number

pith:PDIE742X

pith:2018:PDIE742XSHE5QGG3HLF5PVTZHV

not attested not anchored not stored refs pending

The role of pedagogical tools in active learning: a case for sense-making

Jessie Keeler, John Ivanovitch, Milo Koretsky, Ying Cao

arxiv:1804.04309 v1 · 2018-04-12 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDIE742XSHE5QGG3HLF5PVTZHV}

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	2026-05-18T00:18:39.925582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d04ff35791c9d818db3acbd7d6793d7b832efc1f116385df191e9371fef162

Aliases

arxiv: 1804.04309 · arxiv_version: 1804.04309v1 · doi: 10.48550/arxiv.1804.04309 · pith_short_12: PDIE742XSHE5 · pith_short_16: PDIE742XSHE5QGG3 · pith_short_8: PDIE742X

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/PDIE742XSHE5QGG3HLF5PVTZHV \
  | 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: 78d04ff35791c9d818db3acbd7d6793d7b832efc1f116385df191e9371fef162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd77dc04389d538c49f86e8be9e4baf587a6a8227b96989a8a69f212c61d24b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-04-12T04:12:24Z",
    "title_canon_sha256": "68f0c4549facf457d8567d58ea2a8a9bb24d58eca80012edfbaaba540f06a99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04309",
    "kind": "arxiv",
    "version": 1
  }
}