Pith Number

pith:2ZUJGG2V

pith:2015:2ZUJGG2V4HXL2VX2F7MP54FMOM

not attested not anchored not stored refs pending

Evidence of a planetary influence on solar activity: Phase coherence of the variation in sunspot area with the tidal effect of Mercury

Ian Edmonds

arxiv:1510.02524 v1 · 2015-10-08 · 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{2ZUJGG2V4HXL2VX2F7MP54FMOM}

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	2026-05-18T01:30:42.201187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d668931b55e1eebd56fa2fd8fef0ac7314a7312ef8ff21a2ff89f54ec3c10488

Aliases

arxiv: 1510.02524 · arxiv_version: 1510.02524v1 · doi: 10.48550/arxiv.1510.02524 · pith_short_12: 2ZUJGG2V4HXL · pith_short_16: 2ZUJGG2V4HXL2VX2 · pith_short_8: 2ZUJGG2V

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/2ZUJGG2V4HXL2VX2F7MP54FMOM \
  | 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: d668931b55e1eebd56fa2fd8fef0ac7314a7312ef8ff21a2ff89f54ec3c10488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b61fe7b276b42a98aca90b222a321eaabb02fbf61612219bb91033823edcf2cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-08T22:53:25Z",
    "title_canon_sha256": "f59b902f62e96816925f5484498591046df7e091b55ac9e1cec9a73ca883df7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02524",
    "kind": "arxiv",
    "version": 1
  }
}