Pith. sign in
Pith Number

pith:PQUULYOK

pith:2022:PQUULYOKUU65HMKL4UGHZNCG7M
not attested not anchored not stored refs pending

Testing Lorentz invariance of electrons with LHAASO observations of PeV gamma-rays from the Crab Nebula

Bo-Qiang Ma, Chengyi Li

arxiv:2204.02956 v1 · 2022-04-06 · astro-ph.HE · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PQUULYOKUU65HMKL4UGHZNCG7M}

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 2026-07-05T04:12:13.936561Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7c2945e1caa53dd3b14be50c7cb446fb3a67c43e3c0082fc7691c08deaf6ca10

Aliases

arxiv: 2204.02956 · arxiv_version: 2204.02956v1 · doi: 10.48550/arxiv.2204.02956 · pith_short_12: PQUULYOKUU65 · pith_short_16: PQUULYOKUU65HMKL · pith_short_8: PQUULYOK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PQUULYOKUU65HMKL4UGHZNCG7M \
  | 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: 7c2945e1caa53dd3b14be50c7cb446fb3a67c43e3c0082fc7691c08deaf6ca10
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "49413d530bb34ca447243c50e5e5ffbc675556b04a265d668bb8af0d50091aa8",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-04-06T17:43:21Z",
    "title_canon_sha256": "b9e7776ca47ca648538c7018e1250bf4e8bac02e2edcfe282308eece9429722e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02956",
    "kind": "arxiv",
    "version": 1
  }
}