Pith Number

pith:U6JQ3XHR

pith:2008:U6JQ3XHRAKVSYC7WOYID6S34NJ

not attested not anchored not stored refs pending

Addendum: Ultrahigh-energy cosmic-ray bounds on nonbirefringent modified-Maxwell theory

F.R. Klinkhamer, M. Risse

arxiv:0806.4351 v1 · 2008-06-26 · 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{U6JQ3XHRAKVSYC7WOYID6S34NJ}

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.

Cited by

1 paper in Pith

Crystallography, Lorentz violation, and the Standard-Model Extension

Receipt and verification

First computed	2026-07-04T15:30:18.984267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7930ddcf102ab2c0bf676103f4b7c6a5823682172c3240e346831c71314f466

Aliases

arxiv: 0806.4351 · arxiv_version: 0806.4351v1 · doi: 10.48550/arxiv.0806.4351 · pith_short_12: U6JQ3XHRAKVS · pith_short_16: U6JQ3XHRAKVSYC7W · pith_short_8: U6JQ3XHR

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/U6JQ3XHRAKVSYC7WOYID6S34NJ \
  | 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: a7930ddcf102ab2c0bf676103f4b7c6a5823682172c3240e346831c71314f466

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6010fd7af9a2585084715c879391e9bb80edeef53d08fa2cae2b16ae3132c4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-06-26T15:56:13Z",
    "title_canon_sha256": "0cdce8f1cc8ce0ad6c3568c3a06f29d02a4589b222ac4aed08200f4312a7ce1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4351",
    "kind": "arxiv",
    "version": 1
  }
}