Pith Number

pith:PNFVYWB3

pith:2015:PNFVYWB36R2CKPNPNENPOAOJQF

not attested not anchored not stored refs pending

Enhancing student learning of two-level quantum systems with interactive simulations

Anna Campbell, Antje Kohnle, Charles Baily, Mark J. Paetkau, Natalia Korolkova

arxiv:1501.07905 v1 · 2015-01-30 · 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{PNFVYWB36R2CKPNPNENPOAOJQF}

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	2026-05-18T01:55:32.906658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4b5c583bf474253daf691af701c9816761b8591c60e09213b47c9f44e427e2

Aliases

arxiv: 1501.07905 · arxiv_version: 1501.07905v1 · doi: 10.48550/arxiv.1501.07905 · pith_short_12: PNFVYWB36R2C · pith_short_16: PNFVYWB36R2CKPNP · pith_short_8: PNFVYWB3

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/PNFVYWB36R2CKPNPNENPOAOJQF \
  | 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: 7b4b5c583bf474253daf691af701c9816761b8591c60e09213b47c9f44e427e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "747121df2693aae2660f20077cb41cf1053e40d7d53c50acd78eda1ab72b9e19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-01-30T20:34:59Z",
    "title_canon_sha256": "7abdd31422d668313f56226ec1da5dc7adc008e027d47d79b95ba225400d0a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07905",
    "kind": "arxiv",
    "version": 1
  }
}