Pith Number

pith:HHE4TXKB

pith:2015:HHE4TXKBJAVF3FUYEUHWPXEPIX

not attested not anchored not stored refs pending

Use of Blended Approach in the Learning of Electromagnetic Induction

Charles Chew, Loo Kang Wee

arxiv:1501.01527 v2 · 2015-01-07 · 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{HHE4TXKBJAVF3FUYEUHWPXEPIX}

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	2026-05-18T02:29:46.774402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c9c9dd41482a5d9698250f67dc8f45d2605d2e30c4b99a6d746caca67080c0

Aliases

arxiv: 1501.01527 · arxiv_version: 1501.01527v2 · doi: 10.48550/arxiv.1501.01527 · pith_short_12: HHE4TXKBJAVF · pith_short_16: HHE4TXKBJAVF3FUY · pith_short_8: HHE4TXKB

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/HHE4TXKBJAVF3FUYEUHWPXEPIX \
  | 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: 39c9c9dd41482a5d9698250f67dc8f45d2605d2e30c4b99a6d746caca67080c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b88e44e00922f4af09e8013e7475668f3dab070862e64ff67581e303e5434d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-01-07T15:43:04Z",
    "title_canon_sha256": "b48332250fe398eee8d3e4625ef4154572e787f9a8fd595d594cd4ec2ccc5fa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01527",
    "kind": "arxiv",
    "version": 2
  }
}