Pith Number

pith:2LOTECFT

pith:2015:2LOTECFTSXD5ADVPYJ3Z6ATF2U

not attested not anchored not stored refs pending

The Effect of Sunspot Weighting

Leif Svalgaard, Marco Cagnotti, Sergio Cortesi

arxiv:1507.01119 v1 · 2015-07-04 · 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{2LOTECFTSXD5ADVPYJ3Z6ATF2U}

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	2026-05-18T01:37:18.108792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2dd3208b395c7d00eafc2779f0265d5353a473fc4f4a5ac2cbaa2dd7d68d642

Aliases

arxiv: 1507.01119 · arxiv_version: 1507.01119v1 · doi: 10.48550/arxiv.1507.01119 · pith_short_12: 2LOTECFTSXD5 · pith_short_16: 2LOTECFTSXD5ADVP · pith_short_8: 2LOTECFT

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/2LOTECFTSXD5ADVPYJ3Z6ATF2U \
  | 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: d2dd3208b395c7d00eafc2779f0265d5353a473fc4f4a5ac2cbaa2dd7d68d642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8456d48ad6f9eeb9e32ea4608a1c4c94c418d7ecc6be45b7c90c6d67a6640cae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-04T15:32:35Z",
    "title_canon_sha256": "a2a2e5ebacfe18a8c30914bb075f4e0a9b4faaa33c313a93f817a4bf50a3034d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01119",
    "kind": "arxiv",
    "version": 1
  }
}