Pith Number

pith:KE2P7EMH

pith:2003:KE2P7EMHEFZET344PBPANRTPNI

not attested not anchored not stored refs pending

The Cosmic Microwave Background and Helical Magnetic Fields: the tensor mode

Chiara Caprini, Ruth Durrer, Tina Kahniashvili

arxiv:astro-ph/0304556 v3 · 2003-04-30 · astro-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{KE2P7EMHEFZET344PBPANRTPNI}

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

A universal scaling law for gravitational waves induced during inflation

Receipt and verification

First computed	2026-07-04T16:36:57.329359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5134ff9187217249ef9c785e06c66f6a0a2d8f8e031bf565a3bbfaef07b676a8

Aliases

arxiv: astro-ph/0304556 · arxiv_version: astro-ph/0304556v3 · doi: 10.48550/arxiv.astro-ph/0304556 · pith_short_12: KE2P7EMHEFZE · pith_short_16: KE2P7EMHEFZET344 · pith_short_8: KE2P7EMH

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/KE2P7EMHEFZET344PBPANRTPNI \
  | 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: 5134ff9187217249ef9c785e06c66f6a0a2d8f8e031bf565a3bbfaef07b676a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d231c88b5fdd1b8c943d73c83ea6455cd8c3449b45ef2905e21ed1c90a83f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-30T15:50:51Z",
    "title_canon_sha256": "2c8d25982024e109ae9c65378b0c46054865c444b133fe298ebf44d432807ba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304556",
    "kind": "arxiv",
    "version": 3
  }
}