Pith Number

pith:TSCUSDKE

pith:2013:TSCUSDKEENAAODYS7636QTHKT6

not attested not anchored not stored refs pending

Long-term Variability in the Length of the Solar Cycle

Donald St. P. Richards, Mercedes T. Richards, Michael L. Rogers

arxiv:1312.1105 v1 · 2013-12-04 · 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{TSCUSDKEENAAODYS7636QTHKT6}

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	2026-05-18T03:05:34.977954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c85490d442340070f12ffb7e84cea9f8ba81d089f06f162ee0c645a45505e9b

Aliases

arxiv: 1312.1105 · arxiv_version: 1312.1105v1 · doi: 10.48550/arxiv.1312.1105 · pith_short_12: TSCUSDKEENAA · pith_short_16: TSCUSDKEENAAODYS · pith_short_8: TSCUSDKE

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/TSCUSDKEENAAODYS7636QTHKT6 \
  | 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: 9c85490d442340070f12ffb7e84cea9f8ba81d089f06f162ee0c645a45505e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c35657942ccd179c67259c78eb1d335aae92782f48c7afb2382b656764c831f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-04T11:01:15Z",
    "title_canon_sha256": "84a1381b21e124dde8553c0b760ead916f95b7d870b8fd02d6d1ea7a5cf9e470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1105",
    "kind": "arxiv",
    "version": 1
  }
}