Pith Number

pith:YDB2ZZ75

pith:2018:YDB2ZZ75MGMWS7FO532M4PLNUN

not attested not anchored not stored refs pending

Cultivating the Next Generation: Outcomes from a Learning Assistant Program in Engineering

Benjamin David Lutz, Christina Smith, Milo Koretsky, Ying Cao

arxiv:1807.04838 v1 · 2018-07-12 · 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{YDB2ZZ75MGMWS7FO532M4PLNUN}

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	2026-05-18T00:10:49.677598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0c3ace7fd6199697caeeef4ce3d6da375b1e8b17489312256664f8439b6a17a

Aliases

arxiv: 1807.04838 · arxiv_version: 1807.04838v1 · doi: 10.48550/arxiv.1807.04838 · pith_short_12: YDB2ZZ75MGMW · pith_short_16: YDB2ZZ75MGMWS7FO · pith_short_8: YDB2ZZ75

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/YDB2ZZ75MGMWS7FO532M4PLNUN \
  | 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: c0c3ace7fd6199697caeeef4ce3d6da375b1e8b17489312256664f8439b6a17a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a795008b30149e06a7d8f6a024702b6e5e8a7d2924f3bd84a080aabdf3c41791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-07-12T21:39:06Z",
    "title_canon_sha256": "9bd6a6d9aad8dc7b806cc075c66f5bbeee8589fa0f3821069daab75767786776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04838",
    "kind": "arxiv",
    "version": 1
  }
}