Pith Number

pith:NZAQJS5Z

pith:2013:NZAQJS5ZHZ3OALH4LQBCG5647H

not attested not anchored not stored refs pending

Tests of the Lorentz and CPT Symmetries at the Planck Energy Scale with X-Ray and Gamma-Ray Observations

Anna Zajczyk (Washington University in St. Louis), Fabian Kislat, Henric Krawczynski, Matthias Beilicke

arxiv:1307.6946 v1 · 2013-07-26 · astro-ph.CO · astro-ph.HE · gr-qc · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZAQJS5ZHZ3OALH4LQBCG5647H}

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	2026-05-18T03:17:25.767825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e4104cbb93e76e02cfc5c022377dcf9e882255c6a15aa4641a31668157312b1

Aliases

arxiv: 1307.6946 · arxiv_version: 1307.6946v1 · doi: 10.48550/arxiv.1307.6946 · pith_short_12: NZAQJS5ZHZ3O · pith_short_16: NZAQJS5ZHZ3OALH4 · pith_short_8: NZAQJS5Z

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/NZAQJS5ZHZ3OALH4LQBCG5647H \
  | 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: 6e4104cbb93e76e02cfc5c022377dcf9e882255c6a15aa4641a31668157312b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de407a55ef9341acf19349fd220995b498ce83ed3484d3b0aff8347a7ca8462",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-26T07:49:38Z",
    "title_canon_sha256": "ee16c61f081eb2b589f309cff7398ec155452d917f10cb4700029a48fb58da87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6946",
    "kind": "arxiv",
    "version": 1
  }
}