Pith Number

pith:CIVD3WVI

pith:2012:CIVD3WVILFCLBBEO5ANWF46G4J

not attested not anchored not stored refs pending

Evolution of active and polar photospheric magnetic fields during the rise of Cycle 24 compared to previous cycles

Gordon Petrie

arxiv:1204.1048 v5 · 2012-04-04 · 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{CIVD3WVILFCLBBEO5ANWF46G4J}

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	2026-05-18T03:47:01.050140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

122a3ddaa85944b0848ee81b62f3c6e262573a51c365fc90d64ed46dc79ae4c7

Aliases

arxiv: 1204.1048 · arxiv_version: 1204.1048v5 · doi: 10.48550/arxiv.1204.1048 · pith_short_12: CIVD3WVILFCL · pith_short_16: CIVD3WVILFCLBBEO · pith_short_8: CIVD3WVI

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/CIVD3WVILFCLBBEO5ANWF46G4J \
  | 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: 122a3ddaa85944b0848ee81b62f3c6e262573a51c365fc90d64ed46dc79ae4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98cbb1c5ff229511987248df62b4abe47a3bca9dea410cc1d3fe1e5445c0943c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-04T19:56:16Z",
    "title_canon_sha256": "df2adf5efefb248b13c95a821e309f331a461d253a654dd66cef794a8731237c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1048",
    "kind": "arxiv",
    "version": 5
  }
}