Pith Number

pith:NSJDX35G

pith:2014:NSJDX35G4GVVE56MIWGZKGEMYT

not attested not anchored not stored refs pending

The Solar Meridional Circulation and Sunspot Cycle Variability

David H. Hathaway, Lisa Upton

arxiv:1404.5893 v1 · 2014-04-23 · 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{NSJDX35G4GVVE56MIWGZKGEMYT}

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	2026-05-18T01:43:25.777342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c923befa6e1ab5277cc458d95188cc4fcc352c8fb6df9823d5733f1573c3966

Aliases

arxiv: 1404.5893 · arxiv_version: 1404.5893v1 · doi: 10.48550/arxiv.1404.5893 · pith_short_12: NSJDX35G4GVV · pith_short_16: NSJDX35G4GVVE56M · pith_short_8: NSJDX35G

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/NSJDX35G4GVVE56MIWGZKGEMYT \
  | 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: 6c923befa6e1ab5277cc458d95188cc4fcc352c8fb6df9823d5733f1573c3966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6b232fb75731d3225e3198d03faa1e9ef15fdf5a4c4a632a40d69a9e531c67",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-23T17:08:13Z",
    "title_canon_sha256": "9a38c8ca2d80069430bb2b43610260ab5d67e1234d2b589c8978b78a80a66055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5893",
    "kind": "arxiv",
    "version": 1
  }
}