Pith Number

pith:K4G7CGZG

pith:2013:K4G7CGZGUIPW46OD6UTDDBDPYE

not attested not anchored not stored refs pending

Developing Tutorials for Advanced Physics Students: Processes and Lessons Learned

Charles Baily, Michael Dubson, Steven J. Pollock

arxiv:1309.0734 v1 · 2013-09-03 · 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{K4G7CGZGUIPW46OD6UTDDBDPYE}

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	2026-05-18T03:14:18.181037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570df11b26a21f6e79c3f52631846fc10f26cd1ee120581dd701f2b8be845900

Aliases

arxiv: 1309.0734 · arxiv_version: 1309.0734v1 · doi: 10.48550/arxiv.1309.0734 · pith_short_12: K4G7CGZGUIPW · pith_short_16: K4G7CGZGUIPW46OD · pith_short_8: K4G7CGZG

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/K4G7CGZGUIPW46OD6UTDDBDPYE \
  | 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: 570df11b26a21f6e79c3f52631846fc10f26cd1ee120581dd701f2b8be845900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a82609ad338e42b716451264c8b5aac4c491d2c86dd35eef37df00b5838f436",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-09-03T16:01:31Z",
    "title_canon_sha256": "3daf1ecb0044b7deb4ce9cd36d8ca28945fef85bc4f610d1eb0d9a510f16b1a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0734",
    "kind": "arxiv",
    "version": 1
  }
}