Pith Number

pith:4S36XHMP

pith:2016:4S36XHMPTCJVS5QMTVLQKHPLRO

not attested not anchored not stored refs pending

Helping students learn effective problem solving strategies by reflecting with peers

Andrew Mason, Chandralekha Singh

arxiv:1602.05628 v1 · 2016-02-17 · 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{4S36XHMPTCJVS5QMTVLQKHPLRO}

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	2026-05-18T01:20:23.630055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b7eb9d8f989359760c9d57051deb8b9ebe504b7b50aca4097f9c54c9817f27

Aliases

arxiv: 1602.05628 · arxiv_version: 1602.05628v1 · doi: 10.48550/arxiv.1602.05628 · pith_short_12: 4S36XHMPTCJV · pith_short_16: 4S36XHMPTCJVS5QM · pith_short_8: 4S36XHMP

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/4S36XHMPTCJVS5QMTVLQKHPLRO \
  | 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: e4b7eb9d8f989359760c9d57051deb8b9ebe504b7b50aca4097f9c54c9817f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473b8b36efbd7cf0c8913d573602412632162df2c44ff4fd26468bb9dfe28375",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-02-17T23:37:05Z",
    "title_canon_sha256": "2a35cfcfbd9bd71ed28e1f709bc37cbbeff23dd7c18675b70882c42982433971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05628",
    "kind": "arxiv",
    "version": 1
  }
}