Pith Number

pith:ZUXNNOFX

pith:1995:ZUXNNOFXICO7WQHAYWC4XSTDHY

not attested not anchored not stored refs pending

A New Test of the Einstein Equivalence Principle and the Isotropy of Space

Mark P. Haugan, Thierry F. Kauffmann

arxiv:gr-qc/9504032 v1 · 1995-04-20 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUXNNOFXICO7WQHAYWC4XSTDHY}

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	2026-05-18T04:34:28.877405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd2ed6b8b7409dfb40e0c585cbca633e1a6a89dbb37bde92ccb8c75ee7922880

Aliases

arxiv: gr-qc/9504032 · arxiv_version: gr-qc/9504032v1 · doi: 10.48550/arxiv.gr-qc/9504032 · pith_short_12: ZUXNNOFXICO7 · pith_short_16: ZUXNNOFXICO7WQHA · pith_short_8: ZUXNNOFX

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/ZUXNNOFXICO7WQHAYWC4XSTDHY \
  | 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: cd2ed6b8b7409dfb40e0c585cbca633e1a6a89dbb37bde92ccb8c75ee7922880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac15c20d94770ab083ecb573b202b4dfcaf6b340daa9a0d5d81911087c6b95e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-04-20T21:28:35Z",
    "title_canon_sha256": "b3e9f2fec8241c3853c0546a60aed19d11e44694d35b303c5d372f37a62837a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9504032",
    "kind": "arxiv",
    "version": 1
  }
}