Pith Number

pith:UFCGF3K6

pith:2008:UFCGF3K6LBZZ52IMAAUAW5PU5L

not attested not anchored not stored refs pending

Lorentz Violation and Ultrahigh-Energy Photons

Guenter Sigl (Hamburg University), Matteo Galaverni (Bologna University)

arxiv:0807.1210 v2 · 2008-07-08 · astro-ph · gr-qc

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFCGF3K6LBZZ52IMAAUAW5PU5L}

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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

Constraining Lorentz invariance violation from the depth of air-shower maximum

Receipt and verification

First computed	2026-07-04T15:53:06.205264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14462ed5e58739ee90c00280b75f4eac385f3dc4b092816bab6042bac10c580

Aliases

arxiv: 0807.1210 · arxiv_version: 0807.1210v2 · doi: 10.48550/arxiv.0807.1210 · pith_short_12: UFCGF3K6LBZZ · pith_short_16: UFCGF3K6LBZZ52IM · pith_short_8: UFCGF3K6

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/UFCGF3K6LBZZ52IMAAUAW5PU5L \
  | 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: a14462ed5e58739ee90c00280b75f4eac385f3dc4b092816bab6042bac10c580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5999192caeefcb562fead6ff1f62c8d724f817d1d1d2f6215b4acac6e2c3b95b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-08T12:45:25Z",
    "title_canon_sha256": "9bbad9a10d6dff7e166d161ed67c31cdb597a51252ed953e5c35986347cc624a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1210",
    "kind": "arxiv",
    "version": 2
  }
}