Pith Number

pith:XSVCVTAY

pith:2021:XSVCVTAY7OFI5V5PYDPWWJRYCA

not attested not anchored not stored refs pending

Vacuum birefringence at the Gamma Factory

Felix Karbstein

arxiv:2106.06359 v1 · 2021-06-11 · 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{XSVCVTAY7OFI5V5PYDPWWJRYCA}

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

Below the Schwinger critical magnetic field value, quantum vacuum and gamma-ray bursts delay

Receipt and verification

First computed	2026-07-05T02:54:56.483742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcaa2acc18fb8a8ed7afc0df6b26381030eb4e44b40cdb5721b38372a41bc262

Aliases

arxiv: 2106.06359 · arxiv_version: 2106.06359v1 · doi: 10.48550/arxiv.2106.06359 · pith_short_12: XSVCVTAY7OFI · pith_short_16: XSVCVTAY7OFI5V5P · pith_short_8: XSVCVTAY

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/XSVCVTAY7OFI5V5PYDPWWJRYCA \
  | 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: bcaa2acc18fb8a8ed7afc0df6b26381030eb4e44b40cdb5721b38372a41bc262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1873d78b4246ca576ac02833e038357d348211e81fb075fdd9afb97354689c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-06-11T12:58:12Z",
    "title_canon_sha256": "58887583394c508cb161462637744069a4e9f5f799684df9f82846db925034cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06359",
    "kind": "arxiv",
    "version": 1
  }
}