Pith Number

pith:PF7UARUJ

pith:2009:PF7UARUJOXJACOF7U6IVK3MILN

not attested not anchored not stored refs pending

Generation of circular polarization of the CMB

E. Bavarsad, I. Motie, M. Haghighat, M. Zarei, R. Mohammadi, Z. Rezaei

arxiv:0912.2993 v5 · 2009-12-16 · hep-th · astro-ph.CO · 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{PF7UARUJOXJACOF7U6IVK3MILN}

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	2026-05-18T04:42:03.390084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

797f40468975d20138bfa791556d885b556cce79eccbfd573d8cc71b6d076d06

Aliases

arxiv: 0912.2993 · arxiv_version: 0912.2993v5 · doi: 10.48550/arxiv.0912.2993 · pith_short_12: PF7UARUJOXJA · pith_short_16: PF7UARUJOXJACOF7 · pith_short_8: PF7UARUJ

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/PF7UARUJOXJACOF7U6IVK3MILN \
  | 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: 797f40468975d20138bfa791556d885b556cce79eccbfd573d8cc71b6d076d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "641441cd00ffc6495a1ed9e7c05666b0830884b8859295304cb65c56a42b27c0",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-12-16T15:05:34Z",
    "title_canon_sha256": "91dd09bcbf72d3c1398f852180b237e82afe47c7608b1344fbce461ead6c2152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2993",
    "kind": "arxiv",
    "version": 5
  }
}