Pith Number

pith:RSKXNTO5

pith:2016:RSKXNTO5UU5OZJJ4LTMGTDRDEF

not attested not anchored not stored refs pending

Sunspot Numbers from ISOON: A Ten-Year Data Analysis

K. S. Balasubramaniam, T. W. Henry

arxiv:1602.07741 v1 · 2016-02-24 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSKXNTO5UU5OZJJ4LTMGTDRDEF}

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	2026-05-18T01:20:00.502909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c9576cddda53aeca53c5cd8698e2321501769e50bfd0ae77af91c4735d388ee

Aliases

arxiv: 1602.07741 · arxiv_version: 1602.07741v1 · doi: 10.48550/arxiv.1602.07741 · pith_short_12: RSKXNTO5UU5O · pith_short_16: RSKXNTO5UU5OZJJ4 · pith_short_8: RSKXNTO5

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/RSKXNTO5UU5OZJJ4LTMGTDRDEF \
  | 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: 8c9576cddda53aeca53c5cd8698e2321501769e50bfd0ae77af91c4735d388ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791f30d9d4f74657089dc02302c423fc44c4946b80fd4f9f39a31dadf8c8b2ae",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-24T22:55:05Z",
    "title_canon_sha256": "ae091fa038cf794b71e0ae1df79b1001821cdc26ba1252b1b0ea4c4c135e8366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07741",
    "kind": "arxiv",
    "version": 1
  }
}