Pith Number

pith:Y7OMNW4B

pith:2010:Y7OMNW4BPK2FBB7SGDDNTCM6PT

not attested not anchored not stored refs pending

Comparing the Matter and Interactions Curriculum with a Traditional Physics Curriculum: A Think Aloud Study

Keith R Bujak, Marcos D Caballero, Matthew A Kohlmyer, Michael F Schatz, M Jackson Marr, Richard Catrambone

arxiv:1011.5449 v1 · 2010-11-24 · 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{Y7OMNW4BPK2FBB7SGDDNTCM6PT}

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	2026-05-18T04:34:47.271735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7dcc6db817ab45087f230c6d9899e7cf60bca3f4ab5643c1b5b28e7fafbe528

Aliases

arxiv: 1011.5449 · arxiv_version: 1011.5449v1 · doi: 10.48550/arxiv.1011.5449 · pith_short_12: Y7OMNW4BPK2F · pith_short_16: Y7OMNW4BPK2FBB7S · pith_short_8: Y7OMNW4B

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/Y7OMNW4BPK2FBB7SGDDNTCM6PT \
  | 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: c7dcc6db817ab45087f230c6d9899e7cf60bca3f4ab5643c1b5b28e7fafbe528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aceedf1fee639f6a58ed7a73312e17075929c8099fff0a012a961830121f6e06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2010-11-24T18:27:44Z",
    "title_canon_sha256": "9236b76faea79d86ae30f4d25714f097d7c85d7c1a80fafb42769ba73a11bf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5449",
    "kind": "arxiv",
    "version": 1
  }
}