Pith Number

pith:OWM7YBHE

pith:2009:OWM7YBHEFWEMQ4X6RIRGKCD53Y

not attested not anchored not stored refs pending

Testing CPT- and Lorentz-odd electrodynamics with waveguides

A.H. Gomes, A.R. Pereira, J.M. Fonseca, W.A. Moura-Melo

arxiv:0909.2854 v4 · 2009-09-15 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWM7YBHEFWEMQ4X6RIRGKCD53Y}

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	2026-05-18T04:16:13.119634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7599fc04e42d88c872fe8a2265087dde06928be354a50dadae30086fa1218a12

Aliases

arxiv: 0909.2854 · arxiv_version: 0909.2854v4 · doi: 10.48550/arxiv.0909.2854 · pith_short_12: OWM7YBHEFWEM · pith_short_16: OWM7YBHEFWEMQ4X6 · pith_short_8: OWM7YBHE

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/OWM7YBHEFWEMQ4X6RIRGKCD53Y \
  | 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: 7599fc04e42d88c872fe8a2265087dde06928be354a50dadae30086fa1218a12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123821faa06f0c2a2112e894a605b914c9272dbb00129ff35cbaeff8044492e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-09-15T19:01:59Z",
    "title_canon_sha256": "9910f412a39e65e729ba7fd0f4c7622a5142dccb972660cc45ae6c828b52ecbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2854",
    "kind": "arxiv",
    "version": 4
  }
}