Pith Number

pith:VQFHQVOI

pith:2014:VQFHQVOIQ7ZX3TSYBR7HSXFQPN

not attested not anchored not stored refs pending

Towards a Model of Systemic Change in University STEM Education

Daniel L. Reinholz, Joel C. Corbo, Melissa H. Dancy, Noah Finkelstein, Stanley Deetz

arxiv:1412.3037 v2 · 2014-12-09 · 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{VQFHQVOIQ7ZX3TSYBR7HSXFQPN}

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	2026-05-18T01:33:16.305007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0a7855c887f37dce580c7e795cb07b5b3982f8b3accabcdffef645c4a05741

Aliases

arxiv: 1412.3037 · arxiv_version: 1412.3037v2 · doi: 10.48550/arxiv.1412.3037 · pith_short_12: VQFHQVOIQ7ZX · pith_short_16: VQFHQVOIQ7ZX3TSY · pith_short_8: VQFHQVOI

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/VQFHQVOIQ7ZX3TSYBR7HSXFQPN \
  | 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: ac0a7855c887f37dce580c7e795cb07b5b3982f8b3accabcdffef645c4a05741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec09885c0c445384709f29b1b3e23f1490d92a218abac87378d894598a428101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-12-09T18:03:33Z",
    "title_canon_sha256": "d161748b560bf69ef0e641df65ae007b452383e39a7efe19324b0ba73737be90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3037",
    "kind": "arxiv",
    "version": 2
  }
}