Pith Number

pith:HXOOGD2W

pith:2018:HXOOGD2WVWPMKMKEIRLMRXRRCM

not attested not anchored not stored refs pending

Cross-correlations between scalar perturbations and magnetic fields in bouncing universes

Debika Chowdhury, L. Sriramkumar, Marc Kamionkowski

arxiv:1807.05530 v3 · 2018-07-15 · astro-ph.CO · gr-qc · 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{HXOOGD2WVWPMKMKEIRLMRXRRCM}

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	2026-05-17T23:55:12.422775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ddce30f56ad9ec531444456c8de3113285c4928d13ca22eb1df5fdf7e27d622

Aliases

arxiv: 1807.05530 · arxiv_version: 1807.05530v3 · doi: 10.48550/arxiv.1807.05530 · pith_short_12: HXOOGD2WVWPM · pith_short_16: HXOOGD2WVWPMKMKE · pith_short_8: HXOOGD2W

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/HXOOGD2WVWPMKMKEIRLMRXRRCM \
  | 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: 3ddce30f56ad9ec531444456c8de3113285c4928d13ca22eb1df5fdf7e27d622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7f113852ea772f2d419b14c414e7528fb43bf6ab095b6f1c4cc41e3b05349f7",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-15T11:39:22Z",
    "title_canon_sha256": "7305cfef28392f1a8b8764f8b94fcd96ec445e997f2e3bb351de8b30656b7079"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05530",
    "kind": "arxiv",
    "version": 3
  }
}