Pith Number

pith:7K7WJL45

pith:2014:7K7WJL45LG7IRDID3QZMYZV4ZB

not attested not anchored not stored refs pending

A nonlinearity in permanent-magnet systems used in watt balances

Jon Pratt, Shisong Li, Stephan Schlamminger

arxiv:1405.1904 v1 · 2014-05-08 · physics.class-ph · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7K7WJL45LG7IRDID3QZMYZV4ZB}

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	2026-05-18T02:47:15.335336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fabf64af9d59be888d03dc32cc66bcc85f937a0961b859e1f59605afdc958b63

Aliases

arxiv: 1405.1904 · arxiv_version: 1405.1904v1 · doi: 10.48550/arxiv.1405.1904 · pith_short_12: 7K7WJL45LG7I · pith_short_16: 7K7WJL45LG7IRDID · pith_short_8: 7K7WJL45

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/7K7WJL45LG7IRDID3QZMYZV4ZB \
  | 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: fabf64af9d59be888d03dc32cc66bcc85f937a0961b859e1f59605afdc958b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48226d55e0a9a1bf51e18042f35b680db2570d0d0c93c4b537a0e35e625bca4a",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-05-08T12:33:10Z",
    "title_canon_sha256": "fc8173a816e16a4a9761e1980b79a684fb1235345d7c6c4035ffd05f0316bb5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1904",
    "kind": "arxiv",
    "version": 1
  }
}