Pith Number

pith:UTSPRNSL

pith:2005:UTSPRNSLAHM7SO7F2CMXQ23Y3I

not attested not anchored not stored refs pending

Einstein-aether theory, violation of Lorentz invariance, and metric-affine gravity

Christian Heinicke, Friedrich W. Hehl, Peter Baekler

arxiv:gr-qc/0504005 v1 · 2005-04-01 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTSPRNSLAHM7SO7F2CMXQ23Y3I}

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	2026-05-18T04:35:34.502184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e4f8b64b01d9f93be5d099786b78da0b7ed3d257f17f47206eb99d7a9b41d2

Aliases

arxiv: gr-qc/0504005 · arxiv_version: gr-qc/0504005v1 · doi: 10.48550/arxiv.gr-qc/0504005 · pith_short_12: UTSPRNSLAHM7 · pith_short_16: UTSPRNSLAHM7SO7F · pith_short_8: UTSPRNSL

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/UTSPRNSLAHM7SO7F2CMXQ23Y3I \
  | 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: a4e4f8b64b01d9f93be5d099786b78da0b7ed3d257f17f47206eb99d7a9b41d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e0c397c81d3abe07d0502cee1c3089543dcc5464da373eb98bbe9dc8ff8fcb",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-04-01T16:58:14Z",
    "title_canon_sha256": "2bc7abe1f27968fccd255a1be3d3ea2db79e12dcbea362f1535e72a5c5be7c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0504005",
    "kind": "arxiv",
    "version": 1
  }
}