pith. sign in
Pith Number

pith:AE6XVPJA

pith:2012:AE6XVPJAA3KKW42GTAOXDGD3Y5
not attested not anchored not stored refs pending

Origin of cosmic magnetic fields: Superadiabatically amplified modes in open Friedmann universes

C. G. Tsagas, J. D. Barrow, K. Yamamoto

arxiv:1205.6662 v3 · 2012-05-30 · gr-qc · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AE6XVPJAA3KKW42GTAOXDGD3Y5}

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 2026-05-18T01:57:10.001471Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

013d7abd2006d4ab7346981d71987bc74fad4198bf505af9bdb04b36bc895f13

Aliases

arxiv: 1205.6662 · arxiv_version: 1205.6662v3 · doi: 10.48550/arxiv.1205.6662 · pith_short_12: AE6XVPJAA3KK · pith_short_16: AE6XVPJAA3KKW42G · pith_short_8: AE6XVPJA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AE6XVPJAA3KKW42GTAOXDGD3Y5 \
  | 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: 013d7abd2006d4ab7346981d71987bc74fad4198bf505af9bdb04b36bc895f13
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "03103a12fc3c954661be2ebea465da9a6064e672d68a1e650836ad39fd4049b8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-05-30T13:18:21Z",
    "title_canon_sha256": "5a4f3299840cd612fca1b8097a07729a94823a7a24dfdc209e6dacc45f626766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6662",
    "kind": "arxiv",
    "version": 3
  }
}