Pith Number

pith:Z3DOT64M

pith:2021:Z3DOT64MLNDLFDVNVA5CKE5NYY

not attested not anchored not stored refs pending

Teaching Electrical Model of Power Transformers to Undergraduate Students: Magnetic Circuit Approach

Saeed Lotfifard

arxiv:2103.17257 v1 · 2021-03-29 · 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{Z3DOT64MLNDLFDVNVA5CKE5NYY}

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	2026-07-05T02:28:14.202788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec6e9fb8c5b46b28eada83a2513adc61dca537a04220be2b7f62d2d8db1e927

Aliases

arxiv: 2103.17257 · arxiv_version: 2103.17257v1 · doi: 10.48550/arxiv.2103.17257 · pith_short_12: Z3DOT64MLNDL · pith_short_16: Z3DOT64MLNDLFDVN · pith_short_8: Z3DOT64M

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/Z3DOT64MLNDLFDVNVA5CKE5NYY \
  | 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: cec6e9fb8c5b46b28eada83a2513adc61dca537a04220be2b7f62d2d8db1e927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d056578dd99f7c5e0e5c719d01123c0bbdb7da360a586b5dabe5634cd75ec9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2021-03-29T23:48:09Z",
    "title_canon_sha256": "72c0dcdc608481e8e047a9f0724d3b649391772e0adb64eb4ecf16f2d4c6993c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.17257",
    "kind": "arxiv",
    "version": 1
  }
}