Pith Number

pith:3N45TU4L

pith:2013:3N45TU4LPWNUEA2XETJESQYF2Y

not attested not anchored not stored refs pending

Cosmic rays and climate change over the past 1000 million years

A.W. Wolfendale, (Dept of Physics, (Dept. of Physics, T. Sloan, University of Durham), University of Lancaster)

arxiv:1303.7314 v1 · 2013-03-29 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3N45TU4LPWNUEA2XETJESQYF2Y}

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	2026-05-18T01:50:51.212803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db79d9d38b7d9b42035724d2494305d622160bfeff84cc4ac9eaded77620f25b

Aliases

arxiv: 1303.7314 · arxiv_version: 1303.7314v1 · doi: 10.48550/arxiv.1303.7314 · pith_short_12: 3N45TU4LPWNU · pith_short_16: 3N45TU4LPWNUEA2X · pith_short_8: 3N45TU4L

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/3N45TU4LPWNUEA2XETJESQYF2Y \
  | 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: db79d9d38b7d9b42035724d2494305d622160bfeff84cc4ac9eaded77620f25b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef8e5deea9609bc4d8af5ecf685ddfaf88470e09d2c53619c1d95774defd075",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-29T07:10:06Z",
    "title_canon_sha256": "ce20e4dffca8dbf2a6c17f865f2098c69279476ba1a5c14fba73a8527be98087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7314",
    "kind": "arxiv",
    "version": 1
  }
}