Pith Number

pith:HETF4UXU

pith:2012:HETF4UXUJ63XACFSYO2OOCZKT6

not attested not anchored not stored refs pending

Gender differences in conceptual understanding of Newtonian mechanics: a UK cross-institution comparison

Cait MacPhee, David Sands, Marion Birch, Niels R. Walet, Robyn Donnelly, Simon Bates

arxiv:1211.3888 v1 · 2012-11-16 · 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{HETF4UXUJ63XACFSYO2OOCZKT6}

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	2026-05-18T01:53:10.402092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39265e52f44fb77008b2c3b4e70b2a9fb7a96b4ff8295f9f77f62bff6fa3ebc8

Aliases

arxiv: 1211.3888 · arxiv_version: 1211.3888v1 · doi: 10.48550/arxiv.1211.3888 · pith_short_12: HETF4UXUJ63X · pith_short_16: HETF4UXUJ63XACFS · pith_short_8: HETF4UXU

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/HETF4UXUJ63XACFSYO2OOCZKT6 \
  | 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: 39265e52f44fb77008b2c3b4e70b2a9fb7a96b4ff8295f9f77f62bff6fa3ebc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f578323bbdd01441b1345238c2e5be02b2d7cfebf2002f6e8d2936740543313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-11-16T13:43:37Z",
    "title_canon_sha256": "33a5988c6f071bf849942fa970ee006a46984dc0deb77eab82de1f9fee7614a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3888",
    "kind": "arxiv",
    "version": 1
  }
}