Pith Number

pith:A72P5JSW

pith:2005:A72P5JSWRTU6VMPJYVB3Q6HG3T

not attested not anchored not stored refs pending

Probing physics students' conceptual knowledge structures through term association

Ian D. Beatty, William J. Gerace

arxiv:physics/0508133 v1 · 2005-08-18 · 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{A72P5JSWRTU6VMPJYVB3Q6HG3T}

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	2026-05-18T01:38:07.528993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07f4fea6568ce9eab1e9c543b878e6dcddf4235b02c365c155950e4635b874e6

Aliases

arxiv: physics/0508133 · arxiv_version: physics/0508133v1 · doi: 10.48550/arxiv.physics/0508133 · pith_short_12: A72P5JSWRTU6 · pith_short_16: A72P5JSWRTU6VMPJ · pith_short_8: A72P5JSW

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/A72P5JSWRTU6VMPJYVB3Q6HG3T \
  | 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: 07f4fea6568ce9eab1e9c543b878e6dcddf4235b02c365c155950e4635b874e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76af82319b101cf8b5f3e6d59ea89f99800677ea6ba55f2c4f4ffdfb9771ebd6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2005-08-18T17:50:35Z",
    "title_canon_sha256": "8983edffa801a0fc01e7c3571cceb179a185c6cce28bbe0d588573aa7c5220b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0508133",
    "kind": "arxiv",
    "version": 1
  }
}