Pith Number

pith:BMHOS26S

pith:2018:BMHOS26SEGK5X3KGJTR4MJVM6B

not attested not anchored not stored refs pending

Assessment of critical thinking in physics labs

Cole Walsh, Katherine N. Quinn, N. G. Holmes

arxiv:1808.10566 v1 · 2018-08-31 · 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{BMHOS26SEGK5X3KGJTR4MJVM6B}

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	2026-05-18T00:06:45.333939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b0ee96bd22195dbed464ce3c626acf04bff72e0a4ae13553a00892d76524a46

Aliases

arxiv: 1808.10566 · arxiv_version: 1808.10566v1 · doi: 10.48550/arxiv.1808.10566 · pith_short_12: BMHOS26SEGK5 · pith_short_16: BMHOS26SEGK5X3KG · pith_short_8: BMHOS26S

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/BMHOS26SEGK5X3KGJTR4MJVM6B \
  | 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: 0b0ee96bd22195dbed464ce3c626acf04bff72e0a4ae13553a00892d76524a46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c570c5a86b7442038f52b3f2286f31aefcc79d7db024797278e38ac7c2affeab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-08-31T01:42:40Z",
    "title_canon_sha256": "2322cd433897de4a4e3aa2be8e0f7d8ac127135b1b4bb57191903d0fb740a87e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10566",
    "kind": "arxiv",
    "version": 1
  }
}