Pith Number

pith:LM7VXW7P

pith:2018:LM7VXW7PT66NKNV4NBJLDK6TLQ

not attested not anchored not stored refs pending

Operationalizing the AAPT Learning Goals for the Lab

Emily M. Smith, N.G. Holmes

arxiv:1809.00059 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{LM7VXW7PT66NKNV4NBJLDK6TLQ}

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	2026-05-17T23:45:36.837588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b3f5bdbef9fbcd536bc6852b1abd35c2a8eab6de2e95d67619829586e971713

Aliases

arxiv: 1809.00059 · arxiv_version: 1809.00059v1 · doi: 10.48550/arxiv.1809.00059 · pith_short_12: LM7VXW7PT66N · pith_short_16: LM7VXW7PT66NKNV4 · pith_short_8: LM7VXW7P

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/LM7VXW7PT66NKNV4NBJLDK6TLQ \
  | 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: 5b3f5bdbef9fbcd536bc6852b1abd35c2a8eab6de2e95d67619829586e971713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6634e53c9ee034ab7364a4cb7c039f76c85c270762af6d30071f82da272fa270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-08-31T20:54:46Z",
    "title_canon_sha256": "28860055b76f2c495ae0b957810ed4c88de43afb876da12eafccf6a5443a78ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00059",
    "kind": "arxiv",
    "version": 1
  }
}