Pith Number

pith:72P24TCP

pith:2019:72P24TCPG6P5KO5BWOW7CTHHJ4

not attested not anchored not stored refs pending

Using Mobile Devices to Augment Inquiry-Based Learning Processes with Multiple Representations

Alexander G\"o{\ss}ling, Jochen Kuhn, Pascal Klein, Sebastian Becker

arxiv:1908.11281 v1 · 2019-08-29 · 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{72P24TCPG6P5KO5BWOW7CTHHJ4}

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	2026-07-05T00:00:32.238908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9fae4c4f379fd53ba1b3adf14ce74f33526a54b1dd9ad8ba9e430fec8e2380

Aliases

arxiv: 1908.11281 · arxiv_version: 1908.11281v1 · doi: 10.48550/arxiv.1908.11281 · pith_short_12: 72P24TCPG6P5 · pith_short_16: 72P24TCPG6P5KO5B · pith_short_8: 72P24TCP

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/72P24TCPG6P5KO5BWOW7CTHHJ4 \
  | 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: fe9fae4c4f379fd53ba1b3adf14ce74f33526a54b1dd9ad8ba9e430fec8e2380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c8fc82d61bea74e17733ed801f2f884e23c931bc4d36a3bbc5503b09b7ff57b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-08-29T15:08:06Z",
    "title_canon_sha256": "b5b9f2740c32d498ae63d0d76748d34bcfa8291acd1efe88a33fdd4ed0f4e871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11281",
    "kind": "arxiv",
    "version": 1
  }
}