Pith Number

pith:P6AVTXDW

pith:2015:P6AVTXDWAGCZRJ33KG56WC6AL2

not attested not anchored not stored refs pending

An Investigation into the Correlations between Students' Written Responses to Lecture-Tutorial Questions and their Understandings of Key Astrophysics Concepts

Colin S. Wallace, Edward E. Prather, Jeffrey W. Eckenrode

arxiv:1509.03293 v1 · 2015-09-10 · 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{P6AVTXDWAGCZRJ33KG56WC6AL2}

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	2026-05-18T01:19:05.841069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f8159dc76018598a77b51bbeb0bc05ea99d2bebc10ed29384b39a6854d8b0c9

Aliases

arxiv: 1509.03293 · arxiv_version: 1509.03293v1 · doi: 10.48550/arxiv.1509.03293 · pith_short_12: P6AVTXDWAGCZ · pith_short_16: P6AVTXDWAGCZRJ33 · pith_short_8: P6AVTXDW

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/P6AVTXDWAGCZRJ33KG56WC6AL2 \
  | 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: 7f8159dc76018598a77b51bbeb0bc05ea99d2bebc10ed29384b39a6854d8b0c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a5f87fd5e3236fbc1a6b46e4568d43badf93f696b1d906338b441ca9ae991c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-09-10T19:40:31Z",
    "title_canon_sha256": "ee85e48d2ceaa3835ed0c5c5ccdafaa816efe932201fb65df4ac3e3563aee098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03293",
    "kind": "arxiv",
    "version": 1
  }
}