Pith Number

pith:TJML7C6E

pith:2015:TJML7C6EMXF3HSFTZEZX3LQKHS

not attested not anchored not stored refs pending

The detection of cheating in multiple choice examinations

Bertrand M. Roehner, Peter Richmond

arxiv:1504.00824 v1 · 2015-04-03 · physics.soc-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{TJML7C6EMXF3HSFTZEZX3LQKHS}

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	2026-05-18T02:19:36.962884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a58bf8bc465cbb3c8b3c9337dae0a3cb65ab416e26422a94f2abaa6a00eac45

Aliases

arxiv: 1504.00824 · arxiv_version: 1504.00824v1 · doi: 10.48550/arxiv.1504.00824 · pith_short_12: TJML7C6EMXF3 · pith_short_16: TJML7C6EMXF3HSFT · pith_short_8: TJML7C6E

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/TJML7C6EMXF3HSFTZEZX3LQKHS \
  | 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: 9a58bf8bc465cbb3c8b3c9337dae0a3cb65ab416e26422a94f2abaa6a00eac45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb796385e3ae20d5d6a91bc6e63785cd635dd94dd82bd26d45e88164c62536fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-04-03T11:53:37Z",
    "title_canon_sha256": "0bbcb06dfca6b77f5ef5670dfb0bca206e4c1e3765cc0c5cec8823b403e362ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00824",
    "kind": "arxiv",
    "version": 1
  }
}