pith. sign in
Pith Number

pith:GXVRUU4H

pith:2013:GXVRUU4HNWLHZF2Z47E7V2WK7G
not attested not anchored not stored refs pending

Extending positive C-LASS results across multiple instructors and multiple classes of Modeling Instruction

Adrienne L. Traxler, Eric Brewe, Jorge de la Garza, Laird H. Kramer

arxiv:1303.3466 v2 · 2013-03-14 · physics.ed-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GXVRUU4HNWLHZF2Z47E7V2WK7G}

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 2026-05-18T01:51:07.349644Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

35eb1a53876d967c9759e7c9faeacaf987af1225a6ef4c31cd0b491d5fd92534

Aliases

arxiv: 1303.3466 · arxiv_version: 1303.3466v2 · doi: 10.48550/arxiv.1303.3466 · pith_short_12: GXVRUU4HNWLH · pith_short_16: GXVRUU4HNWLHZF2Z · pith_short_8: GXVRUU4H
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GXVRUU4HNWLHZF2Z47E7V2WK7G \
  | 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: 35eb1a53876d967c9759e7c9faeacaf987af1225a6ef4c31cd0b491d5fd92534
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4ee2f176f309f522865e931beb76399b6435fdd8ee3d14552ee1eff667827c57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-03-14T14:47:36Z",
    "title_canon_sha256": "8983d09b2588abc1dd537c7f689ef94f0ffc7f15f28c1ce476a00f0d5249d95c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3466",
    "kind": "arxiv",
    "version": 2
  }
}