Pith Number

pith:JLS4MLTS

pith:2019:JLS4MLTSEP267LDXUYWQZ4PK44

not attested not anchored not stored refs pending

Crowdsourced Peer Learning Activity for Internet of Things Education: A Case Study

Ahmed Hussein, Charith Perera, Mahmoud Barhamgi, Massimo Vecchio

arxiv:1905.11652 v1 · 2019-05-28 · cs.HC · 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{JLS4MLTSEP267LDXUYWQZ4PK44}

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	2026-05-17T23:44:52.740345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae5c62e7223f5efac77a62d0cf1eae72bcfd4c843531d11903f52e60cde7c44

Aliases

arxiv: 1905.11652 · arxiv_version: 1905.11652v1 · doi: 10.48550/arxiv.1905.11652 · pith_short_12: JLS4MLTSEP26 · pith_short_16: JLS4MLTSEP267LDX · pith_short_8: JLS4MLTS

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/JLS4MLTSEP267LDXUYWQZ4PK44 \
  | 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: 4ae5c62e7223f5efac77a62d0cf1eae72bcfd4c843531d11903f52e60cde7c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a668d8df9e45387db786ca43815559f2194ea9c87a0e69190c97891f39d3ad",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-05-28T07:28:10Z",
    "title_canon_sha256": "3b8e6cdf59e730908ed79b8745e85ccc1b69c82a872b2a0315a5551b81b94163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11652",
    "kind": "arxiv",
    "version": 1
  }
}