Pith Number

pith:KVZ7XLFK

pith:2006:KVZ7XLFKYKEN2FGW3PD6BMXWB6

not attested not anchored not stored refs pending

Science and Engineering Education: Who is the Customer?

Amy Courtney, Michael Courtney

arxiv:physics/0612117 v2 · 2006-12-13 · 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{KVZ7XLFKYKEN2FGW3PD6BMXWB6}

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	2026-05-18T03:46:59.244527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5573fbacaac288dd14d6dbc7e0b2f60f975fdba0bceb7b946640d7447ad8d1fb

Aliases

arxiv: physics/0612117 · arxiv_version: physics/0612117v2 · doi: 10.48550/arxiv.physics/0612117 · pith_short_12: KVZ7XLFKYKEN · pith_short_16: KVZ7XLFKYKEN2FGW · pith_short_8: KVZ7XLFK

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/KVZ7XLFKYKEN2FGW3PD6BMXWB6 \
  | 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: 5573fbacaac288dd14d6dbc7e0b2f60f975fdba0bceb7b946640d7447ad8d1fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bd8632b784ca7372accba6aeb420b93d3f53c506e22c260a8b4c8d7f05742ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2006-12-13T01:50:53Z",
    "title_canon_sha256": "e61efa5472ebd83e06f46c8d1894a66ec925ae3313b22c296ea96f8d3dc0e078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0612117",
    "kind": "arxiv",
    "version": 2
  }
}