Pith Number

pith:MA34XJOR

pith:2015:MA34XJOR2APDH4ERLK34YEAQDC

not attested not anchored not stored refs pending

Redesigning a junior-level electronics course to support engagement in scientific practices

H. J. Lewandowski, Noah Finkelstein

arxiv:1507.03925 v1 · 2015-07-14 · 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{MA34XJOR2APDH4ERLK34YEAQDC}

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	2026-05-18T01:36:52.222689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6037cba5d1d01e33f0915ab7cc101018aea2887c9923e252b3eda85ae9939b63

Aliases

arxiv: 1507.03925 · arxiv_version: 1507.03925v1 · doi: 10.48550/arxiv.1507.03925 · pith_short_12: MA34XJOR2APD · pith_short_16: MA34XJOR2APDH4ER · pith_short_8: MA34XJOR

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/MA34XJOR2APDH4ERLK34YEAQDC \
  | 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: 6037cba5d1d01e33f0915ab7cc101018aea2887c9923e252b3eda85ae9939b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe1b8f714eea9a99937c606e9a876a0f9289b2583d4e2420c61454e67c4b5cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-07-14T16:57:40Z",
    "title_canon_sha256": "e6ed6cca1f4a3e1ab84c8f4f8a485829de0b8ad34ade8be8dd2280c0496c8da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03925",
    "kind": "arxiv",
    "version": 1
  }
}