Pith Number

pith:SZ2Y2GCQ

pith:2014:SZ2Y2GCQAHSWQNRA3UC4H6BSOP

not attested not anchored not stored refs pending

Studying Expert Practices to Create Learning Goals for Electronics Labs

Benjamin Pollard, H. J. Lewandowski, Noah Finkelstein

arxiv:1407.3316 v1 · 2014-07-11 · 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{SZ2Y2GCQAHSWQNRA3UC4H6BSOP}

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	2026-05-18T02:47:43.347710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96758d185001e5683620dd05c3f83273fe2fadd202905003fda8d983dbd8d38b

Aliases

arxiv: 1407.3316 · arxiv_version: 1407.3316v1 · doi: 10.48550/arxiv.1407.3316 · pith_short_12: SZ2Y2GCQAHSW · pith_short_16: SZ2Y2GCQAHSWQNRA · pith_short_8: SZ2Y2GCQ

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/SZ2Y2GCQAHSWQNRA3UC4H6BSOP \
  | 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: 96758d185001e5683620dd05c3f83273fe2fadd202905003fda8d983dbd8d38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41ef2683286a11a9e0ab8dd5db2c625a2b009415d49ad8c14c6de00040b36fed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-07-11T22:23:03Z",
    "title_canon_sha256": "f1b31dce014a594e764bfdf5dce33548c4d153c8a9bf8dceafd338f7410b895f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3316",
    "kind": "arxiv",
    "version": 1
  }
}