Pith Number

pith:4MDTUTFJ

pith:2002:4MDTUTFJRPQ4Y2N7Z3HPO6PGDR

not attested not anchored not stored refs pending

A Test of CPT and Lorentz Invariance from Muonium Spectroscopy

D. Kawall, G. zu Putlitz, K. Jungmann, M. Grosse Perdekamp, V.W. Hughes, W. Liu

arxiv:hep-ex/0201010 v1 · 2002-01-07 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MDTUTFJRPQ4Y2N7Z3HPO6PGDR}

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	2026-05-18T00:36:58.240784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3073a4ca98be1cc69bfcecef779e61c52075d616250360b3b7bf7a7d1197f77

Aliases

arxiv: hep-ex/0201010 · arxiv_version: hep-ex/0201010v1 · doi: 10.48550/arxiv.hep-ex/0201010 · pith_short_12: 4MDTUTFJRPQ4 · pith_short_16: 4MDTUTFJRPQ4Y2N7 · pith_short_8: 4MDTUTFJ

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/4MDTUTFJRPQ4Y2N7Z3HPO6PGDR \
  | 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: e3073a4ca98be1cc69bfcecef779e61c52075d616250360b3b7bf7a7d1197f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35fccff94d28fe23b5978325764bee3a8bb47797f2f9b882cb37c889e7196f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2002-01-07T18:55:24Z",
    "title_canon_sha256": "5a8475dc758e6b1759e2185359568b12d6fff21cccdc2d1e69b2505e07df9f30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0201010",
    "kind": "arxiv",
    "version": 1
  }
}