Pith Number

pith:XLRHME3K

pith:2008:XLRHME3KSCO66AHOGVPNKDA6OO

not attested not anchored not stored refs pending

Lorentz Invariance Violation and the Observed Spectrum of Ultrahigh Energy Cosmic Rays

F. W. Stecker (NASA/GSFC), S. T. Scully (JMU)

arxiv:0811.2230 v4 · 2008-11-13 · astro-ph · gr-qc · hep-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{XLRHME3KSCO66AHOGVPNKDA6OO}

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	2026-05-18T02:35:13.902224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae276136a909def00ee355ed50c1e7398605c49bae7cc49a6e39f3ad11a70e8

Aliases

arxiv: 0811.2230 · arxiv_version: 0811.2230v4 · doi: 10.48550/arxiv.0811.2230 · pith_short_12: XLRHME3KSCO6 · pith_short_16: XLRHME3KSCO66AHO · pith_short_8: XLRHME3K

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/XLRHME3KSCO66AHOGVPNKDA6OO \
  | 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: bae276136a909def00ee355ed50c1e7398605c49bae7cc49a6e39f3ad11a70e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd86a0fd35ee247643961e035734b11773c24ed7f532af0924766b33562e9847",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-13T21:22:14Z",
    "title_canon_sha256": "bcb2b94afb294d3a23b39d5719c1a9ad7c02b5cf02c820eddd65e648864a1c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2230",
    "kind": "arxiv",
    "version": 4
  }
}