Pith Number

pith:4RPQLRA6

pith:2014:4RPQLRA6CCM7DNN6NFWDPFAHLW

not attested not anchored not stored refs pending

Can primordial magnetic fields be the origin of the BICEP2 data?

Camille Bonvin, Roy Maartens, Ruth Durrer

arxiv:1403.6768 v3 · 2014-03-26 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RPQLRA6CCM7DNN6NFWDPFAHLW}

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	2026-05-18T02:51:41.420956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45f05c41e1099f1b5be696c3794075d958d247fde7eb99277c3b7ece779f4d7

Aliases

arxiv: 1403.6768 · arxiv_version: 1403.6768v3 · doi: 10.48550/arxiv.1403.6768 · pith_short_12: 4RPQLRA6CCM7 · pith_short_16: 4RPQLRA6CCM7DNN6 · pith_short_8: 4RPQLRA6

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/4RPQLRA6CCM7DNN6NFWDPFAHLW \
  | 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: e45f05c41e1099f1b5be696c3794075d958d247fde7eb99277c3b7ece779f4d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92bf1f99221d083e30c3cdfa53b6619391e4a700e3d0b83cfba8e59c40a7a4a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-26T17:48:51Z",
    "title_canon_sha256": "194388569383afbed4fed62c2c713ac0a9a470c08c1333efdc424fb7f948eeef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6768",
    "kind": "arxiv",
    "version": 3
  }
}