Pith Number

pith:F2252HRF

pith:2010:F2252HRFNT7AZRGT7EJG5U2RK6

not attested not anchored not stored refs pending

The seed magnetic field generated during recombination

Cyril Pitrou (ICG, Elisa Fenu (Universit\'e de Gen\`eve), Portsmouth), Roy Maartens (Western Cape & ICG

arxiv:1012.2958 v2 · 2010-12-14 · 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{F2252HRFNT7AZRGT7EJG5U2RK6}

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	2026-05-18T04:12:12.015238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb5dd1e256cfe0cc4d3f9126ed3515797b21b3f200123a9318302f69623f087

Aliases

arxiv: 1012.2958 · arxiv_version: 1012.2958v2 · doi: 10.48550/arxiv.1012.2958 · pith_short_12: F2252HRFNT7A · pith_short_16: F2252HRFNT7AZRGT · pith_short_8: F2252HRF

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/F2252HRFNT7AZRGT7EJG5U2RK6 \
  | 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: 2eb5dd1e256cfe0cc4d3f9126ed3515797b21b3f200123a9318302f69623f087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3d9d4332c9d3fa2bf6721fd95a7d4fb558ef7096375ea852e08f6d2f70c6c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-14T08:18:27Z",
    "title_canon_sha256": "06262437035f0de1f7078a5601f0edc12c7b780bd4aa8f2a101a05a1b888ffc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2958",
    "kind": "arxiv",
    "version": 2
  }
}