Pith Number

pith:6RLWI3ZK

pith:2008:6RLWI3ZKAV2ERSY5HF6Z2W2DK3

not attested not anchored not stored refs pending

Testing Lorentz Invariance with Ultra High Energy Cosmic Ray Spectrum

2), China), China (2)Center for High Energy Physics, Chinese Academy of Sciences, Institute of High Energy Physics, Peking University, Qiang Yuan (1)((1)Key Laboratory of Particle Astrophysics, Xiao-Jun Bi (1, Ye Li (1), Zhen Cao (1)

arxiv:0812.0121 v2 · 2008-11-30 · astro-ph · 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{6RLWI3ZKAV2ERSY5HF6Z2W2DK3}

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

The Confrontation between General Relativity and Experiment

Receipt and verification

First computed	2026-07-04T16:01:50.250851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f457646f2a057448cb1d397d9d5b4356f9c63d2a67992db78f1ab541827b2ff5

Aliases

arxiv: 0812.0121 · arxiv_version: 0812.0121v2 · doi: 10.48550/arxiv.0812.0121 · pith_short_12: 6RLWI3ZKAV2E · pith_short_16: 6RLWI3ZKAV2ERSY5 · pith_short_8: 6RLWI3ZK

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/6RLWI3ZKAV2ERSY5HF6Z2W2DK3 \
  | 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: f457646f2a057448cb1d397d9d5b4356f9c63d2a67992db78f1ab541827b2ff5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c869a0d52c7682f22e04ee5b5da53b6d65c3aa13f9cf804663b683e9a23c8cb8",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-30T04:36:16Z",
    "title_canon_sha256": "848ede617e0cee7f9e5b6c31a3b6cde07d1341f737fcbc9c586133fd0ba1a77f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0121",
    "kind": "arxiv",
    "version": 2
  }
}