Pith Number

pith:QIXYATA3

pith:2015:QIXYATA3YUCGJX6AU4OD2M5464

not attested not anchored not stored refs pending

Measuring the Impact of Introductory Physics Labs on Learning

Carl Wieman, N.G. Holmes

arxiv:1507.00264 v1 · 2015-07-01 · 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{QIXYATA3YUCGJX6AU4OD2M5464}

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	2026-05-18T01:29:29.348938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822f804c1bc50464dfc0a71c3d33bcf725ce83188d359fe0755e3b365e012e66

Aliases

arxiv: 1507.00264 · arxiv_version: 1507.00264v1 · doi: 10.48550/arxiv.1507.00264 · pith_short_12: QIXYATA3YUCG · pith_short_16: QIXYATA3YUCGJX6A · pith_short_8: QIXYATA3

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/QIXYATA3YUCGJX6AU4OD2M5464 \
  | 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: 822f804c1bc50464dfc0a71c3d33bcf725ce83188d359fe0755e3b365e012e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f1bae033a2699ff147e55b9a679557f60f8f4f237b340cd8e162c1fb73185d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-07-01T15:36:59Z",
    "title_canon_sha256": "a28586affd7527f46f9302d4684d678a0a54287c66490bb1fec2b16b7edcb361"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00264",
    "kind": "arxiv",
    "version": 1
  }
}