Pith Number

pith:GMW6D3U5

pith:2017:GMW6D3U5DMCMMKN36W5YOI5LME

not attested not anchored not stored refs pending

Seeing the real world: Comparing learning from verification labs and traditional or enhanced lecture demonstrations

Emily M. Smith, N.G. Holmes

arxiv:1712.03174 v2 · 2017-12-08 · 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{GMW6D3U5DMCMMKN36W5YOI5LME}

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	2026-05-17T23:44:38.354770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

332de1ee9d1b04c629bbf5bb8723ab611e1592ed6b323a1078f449b340ea651b

Aliases

arxiv: 1712.03174 · arxiv_version: 1712.03174v2 · doi: 10.48550/arxiv.1712.03174 · pith_short_12: GMW6D3U5DMCM · pith_short_16: GMW6D3U5DMCMMKN3 · pith_short_8: GMW6D3U5

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/GMW6D3U5DMCMMKN36W5YOI5LME \
  | 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: 332de1ee9d1b04c629bbf5bb8723ab611e1592ed6b323a1078f449b340ea651b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3abef30c60df95244904616532bc750ea7035371e2143a7999f05f6fd0d8164c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-12-08T17:05:16Z",
    "title_canon_sha256": "34603bd440b39407fa54bd8f89e7f640e2d1e5bdfd36ad613966cac5e64659f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03174",
    "kind": "arxiv",
    "version": 2
  }
}