Pith Number

pith:OS5J3DTT

pith:2012:OS5J3DTTG4OM7NSJIVA7L2INBJ

not attested not anchored not stored refs pending

Variation of Instructor-Student Interactions in an Introductory Interactive Physics Course

Cassandra A. Paul, David Webb, Emily A. West, Wendell H. Potter

arxiv:1212.1494 v1 · 2012-12-06 · 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{OS5J3DTTG4OM7NSJIVA7L2INBJ}

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	2026-05-18T03:17:00.268951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ba9d8e73371ccfb6494541f5e90d0a4e66510436cecd7c599c62f50af84d38

Aliases

arxiv: 1212.1494 · arxiv_version: 1212.1494v1 · doi: 10.48550/arxiv.1212.1494 · pith_short_12: OS5J3DTTG4OM · pith_short_16: OS5J3DTTG4OM7NSJ · pith_short_8: OS5J3DTT

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/OS5J3DTTG4OM7NSJIVA7L2INBJ \
  | 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: 74ba9d8e73371ccfb6494541f5e90d0a4e66510436cecd7c599c62f50af84d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d9d2a200aca4d495def446462c7d2a537c1b67d2ecb35ee51a9c4a2234e094",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-12-06T22:58:07Z",
    "title_canon_sha256": "1e91a829d74f1eae3ac96e9448afb177911357c0ee2ae33c5e32732bc33ee3a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1494",
    "kind": "arxiv",
    "version": 1
  }
}