Pith Number

pith:PEAXRBMC

pith:2017:PEAXRBMCATEWO47ZFB624TB45N

not attested not anchored not stored refs pending

Student ownership of projects in an upper-division optics laboratory course: A multiple case study of successful experiences

Dimitri R. Dounas-Frazer, H. J. Lewandowski, Jacob T. Stanley

arxiv:1709.05378 v1 · 2017-09-15 · 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{PEAXRBMCATEWO47ZFB624TB45N}

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	2026-05-18T00:28:14.096687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790178858204c96773f9287dae4c3ceb7f923560d90401c98e2706105c381d47

Aliases

arxiv: 1709.05378 · arxiv_version: 1709.05378v1 · doi: 10.48550/arxiv.1709.05378 · pith_short_12: PEAXRBMCATEW · pith_short_16: PEAXRBMCATEWO47Z · pith_short_8: PEAXRBMC

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/PEAXRBMCATEWO47ZFB624TB45N \
  | 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: 790178858204c96773f9287dae4c3ceb7f923560d90401c98e2706105c381d47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae2da4eb2c6ed0022e650d1adaedb2ef3552b3fb68ce2cae56babddfb815dca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-09-15T19:48:55Z",
    "title_canon_sha256": "8ab4d833735e9db5dde0be329a826c9df7781b43153a6a825833d382e942e558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05378",
    "kind": "arxiv",
    "version": 1
  }
}