Pith Number

pith:XADVS4QU

pith:2011:XADVS4QUBUT6M74IH6FC2CPIZC

not attested not anchored not stored refs pending

Investigating the Effectiveness of the Tutorials in Introductory Physics in Multiple Instructional Settings

C. Slezak, G. A. Braun, K. M. Koenig, R. J. Endorf

arxiv:1110.0050 v1 · 2011-09-30 · 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{XADVS4QUBUT6M74IH6FC2CPIZC}

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	2026-05-18T04:05:26.982576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8075972140d27e67f883f8a2d09e8c886b86c66657392d903bd41dc564b5a8c

Aliases

arxiv: 1110.0050 · arxiv_version: 1110.0050v1 · doi: 10.48550/arxiv.1110.0050 · pith_short_12: XADVS4QUBUT6 · pith_short_16: XADVS4QUBUT6M74I · pith_short_8: XADVS4QU

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/XADVS4QUBUT6M74IH6FC2CPIZC \
  | 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: b8075972140d27e67f883f8a2d09e8c886b86c66657392d903bd41dc564b5a8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6ddf87e3017ded23717d0edc6ac3d659bcc37a942b185fc9b38220d84a782c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2011-09-30T23:26:59Z",
    "title_canon_sha256": "efb46e6dd2b4d63df0c5819cc3815cf1a891b9505d1ea86a6b3cdd01ce9c888b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0050",
    "kind": "arxiv",
    "version": 1
  }
}