Pith Number

pith:G57QABRE

pith:2015:G57QABREXSO3NU5GYTFKTL65WH

not attested not anchored not stored refs pending

A summary of the Planck constant measurements using a watt balance with a superconducting solenoid at NIST

D. B. Newell, D. Haddad, E. R. Williams, F. Seifert, J. R. Pratt, L. S. Chao, R. Liu, R. L. Steiner, S. Schlamminger

arxiv:1501.06796 v1 · 2015-01-27 · physics.ins-det · physics.class-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{G57QABREXSO3NU5GYTFKTL65WH}

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	2026-05-18T01:41:06.353409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

377f000624bc9db6d3a6c4caa9afddb1cb13d97c6c996104ec1ee0d45a153397

Aliases

arxiv: 1501.06796 · arxiv_version: 1501.06796v1 · doi: 10.48550/arxiv.1501.06796 · pith_short_12: G57QABREXSO3 · pith_short_16: G57QABREXSO3NU5G · pith_short_8: G57QABRE

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/G57QABREXSO3NU5GYTFKTL65WH \
  | 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: 377f000624bc9db6d3a6c4caa9afddb1cb13d97c6c996104ec1ee0d45a153397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb226333ccab296e914f0ed20b19bafc046988d42e1514336429708f4649045a",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2015-01-27T15:42:31Z",
    "title_canon_sha256": "c14b801154401e5442b8e64c3f9cda2359612305cc15e96828c4bd734779078f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06796",
    "kind": "arxiv",
    "version": 1
  }
}