Pith Number

pith:SZTWCMGI

pith:2018:SZTWCMGIHCKLXYIFDMG3RPNQXG

not attested not anchored not stored refs pending

Improved limits on Lorentz invariance violation from astrophysical gamma-ray sources

Humberto Mart\'inez-Huerta, Rodrigo Guedes Lang, Vitor de Souza

arxiv:1810.13215 v2 · 2018-10-31 · astro-ph.HE · 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{SZTWCMGIHCKLXYIFDMG3RPNQXG}

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

Testing cosmology and fundamental physics with the Cherenkov Telescope Array

Receipt and verification

First computed	2026-05-17T23:50:41.001052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96676130c83894bbe1051b0db8bdb0b9b9d2ad79638bfecb9d6c4c5ec402dcc6

Aliases

arxiv: 1810.13215 · arxiv_version: 1810.13215v2 · doi: 10.48550/arxiv.1810.13215 · pith_short_12: SZTWCMGIHCKL · pith_short_16: SZTWCMGIHCKLXYIF · pith_short_8: SZTWCMGI

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/SZTWCMGIHCKLXYIFDMG3RPNQXG \
  | 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: 96676130c83894bbe1051b0db8bdb0b9b9d2ad79638bfecb9d6c4c5ec402dcc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47fcc1eb29e7051a078edb0c5dbac278a3bb2131590fa0ab0a0cfe6907e857b0",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-31T11:06:53Z",
    "title_canon_sha256": "39e964a2cc8b6b1558d33c2fbd1b8467bba2e0d071b949725d6f192da42baeb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13215",
    "kind": "arxiv",
    "version": 2
  }
}