Pith Number

pith:H23DC7ZM

pith:2010:H23DC7ZMPV5AWQ2CGOB375FS2S

not attested not anchored not stored refs pending

The Magnetic Sun: Reversals and Long-Term Variations

K. Petrovay, U. R. Christensen

arxiv:1004.5102 v1 · 2010-04-28 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H23DC7ZMPV5AWQ2CGOB375FS2S}

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	2026-05-18T04:32:33.929536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eb6317f2c7d7a0b43423383bff4b2d4aed63fc1a771b3a02e9d8daafbac576f

Aliases

arxiv: 1004.5102 · arxiv_version: 1004.5102v1 · doi: 10.48550/arxiv.1004.5102 · pith_short_12: H23DC7ZMPV5A · pith_short_16: H23DC7ZMPV5AWQ2C · pith_short_8: H23DC7ZM

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/H23DC7ZMPV5AWQ2CGOB375FS2S \
  | 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: 3eb6317f2c7d7a0b43423383bff4b2d4aed63fc1a771b3a02e9d8daafbac576f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e5f4c69955207ba45d126f4ec81cf608832c81d9e2af1e80694d7c7b4303599",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-28T18:23:44Z",
    "title_canon_sha256": "ba709b69495493b4868fe315d06cc257aa249dc167996c31f11281cfec4e4dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5102",
    "kind": "arxiv",
    "version": 1
  }
}