Pith Number

pith:U7VKLDWD

pith:2007:U7VKLDWDSKJ7NXSPPXKVHR2DN4

not attested not anchored not stored refs pending

Why coronal mass ejections are necessary for the dynamo

Axel Brandenburg

arxiv:astro-ph/0701056 v1 · 2007-01-03 · 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{U7VKLDWDSKJ7NXSPPXKVHR2DN4}

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	2026-07-04T17:07:23.565551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7eaa58ec39293f6de4f7dd553c7436f0d4f1529511ab0501b0dfda647708305

Aliases

arxiv: astro-ph/0701056 · arxiv_version: astro-ph/0701056v1 · doi: 10.48550/arxiv.astro-ph/0701056 · pith_short_12: U7VKLDWDSKJ7 · pith_short_16: U7VKLDWDSKJ7NXSP · pith_short_8: U7VKLDWD

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/U7VKLDWDSKJ7NXSPPXKVHR2DN4 \
  | 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: a7eaa58ec39293f6de4f7dd553c7436f0d4f1529511ab0501b0dfda647708305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d55973ca3b1c1c4e42ca7f9dd60c028e8b46b28d8255095096ee474dddb31b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-03T08:50:04Z",
    "title_canon_sha256": "a10bd2c65e9cf1c051b1b2a7555277d7381205782c82e14d3161600ad938aafb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701056",
    "kind": "arxiv",
    "version": 1
  }
}