Pith Number

pith:OVURPMJA

pith:2014:OVURPMJAI33W37ZLMIQI3HIQWW

not attested not anchored not stored refs pending

Determination of the Planck constant using a watt balance with a superconducting magnet system at the National Institute of Standards and Technology

Darine Haddad, David B Newell, Frank Seifert, Jon R Pratt, Leon S Chao, Richard L Steiner, Ruimin Liu, Stephan Schlamminger

arxiv:1401.8160 v2 · 2014-01-31 · 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{OVURPMJAI33W37ZLMIQI3HIQWW}

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	2026-05-18T02:53:26.590922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

756917b12046f76dff2b62208d9d10b58a9ea91cf80a59b88eb602d886452da0

Aliases

arxiv: 1401.8160 · arxiv_version: 1401.8160v2 · doi: 10.48550/arxiv.1401.8160 · pith_short_12: OVURPMJAI33W · pith_short_16: OVURPMJAI33W37ZL · pith_short_8: OVURPMJA

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/OVURPMJAI33W37ZLMIQI3HIQWW \
  | 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: 756917b12046f76dff2b62208d9d10b58a9ea91cf80a59b88eb602d886452da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1656741b75e35f48c48690608a14bf914a54e0cb2529e4c903ce62f0acfc6de4",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-01-31T13:29:10Z",
    "title_canon_sha256": "74f6dc7638002fe9a2ecbc55c2d77055e0a320e2f59358cca7bba3a0a1ef974c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8160",
    "kind": "arxiv",
    "version": 2
  }
}