Pith Number

pith:FCSQYSJI

pith:2012:FCSQYSJI2MNOX2G3WW6YW5HNPX

not attested not anchored not stored refs pending

Forecasting the Maxima of Solar Cycle 24 with Coronal Fe XIV Emission

NM USA), Richard C. Altrock (Air Force Research Laboratory, Sunspot

arxiv:1209.2963 v2 · 2012-09-13 · 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{FCSQYSJI2MNOX2G3WW6YW5HNPX}

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	2026-05-18T03:32:59.881663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a50c4928d31aebe8dbb5bd8b74ed7de94ed7c03833dff48689f697064161e0

Aliases

arxiv: 1209.2963 · arxiv_version: 1209.2963v2 · doi: 10.48550/arxiv.1209.2963 · pith_short_12: FCSQYSJI2MNO · pith_short_16: FCSQYSJI2MNOX2G3 · pith_short_8: FCSQYSJI

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/FCSQYSJI2MNOX2G3WW6YW5HNPX \
  | 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: 28a50c4928d31aebe8dbb5bd8b74ed7de94ed7c03833dff48689f697064161e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44a2e92a943e93b49976cbac78f658ed49f90342b7f363217195603c4c50a32d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-13T17:07:21Z",
    "title_canon_sha256": "94712bc0f3f0e24d6e2f9064caa5d75784f62a8ec8bb3f61b2e1453d264cedc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2963",
    "kind": "arxiv",
    "version": 2
  }
}