Pith Number

pith:FE2IGXE3

pith:2014:FE2IGXE32P6ZQKLITNPRV7VLEY

not attested not anchored not stored refs pending

A LEGO Watt Balance: An apparatus to determine a mass based on the new SI

D.B. Newell, D. Haddad, F. Seifert, G. Sineriz, J.R. Pratt, L.S. Chao, M. Liu, S. Schlamminger, X. Zhang

arxiv:1412.1699 v4 · 2014-12-04 · physics.ins-det · physics.class-ph · physics.pop-ph · physics.soc-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{FE2IGXE32P6ZQKLITNPRV7VLEY}

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	2026-05-18T01:35:38.275123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2934835c9bd3fd9829689b5f1afeab2631b836a356282f3b079bad634ae9dc49

Aliases

arxiv: 1412.1699 · arxiv_version: 1412.1699v4 · doi: 10.48550/arxiv.1412.1699 · pith_short_12: FE2IGXE32P6Z · pith_short_16: FE2IGXE32P6ZQKLI · pith_short_8: FE2IGXE3

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/FE2IGXE32P6ZQKLITNPRV7VLEY \
  | 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: 2934835c9bd3fd9829689b5f1afeab2631b836a356282f3b079bad634ae9dc49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a818f2603b3daed4d758aad6c7a98317b91fe21546ea51eab547ff1d355fc0f",
    "cross_cats_sorted": [
      "physics.class-ph",
      "physics.pop-ph",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2014-12-04T15:27:35Z",
    "title_canon_sha256": "c05fdc93de998285504256454131262c1c151d3d56ffe57716e1cb50ee876c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1699",
    "kind": "arxiv",
    "version": 4
  }
}