Pith Number

pith:FGKAD7IE

pith:2018:FGKAD7IE2UTH3CFOO7X5VBNSIO

not attested not anchored not stored refs pending

The correlation of synthetic UV color vs Mg II index along the solar cycle

Francesco Berrilli, Mija Lovric, Serena Criscuoli, Valentina Penza

arxiv:1808.08439 v1 · 2018-08-25 · 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{FGKAD7IE2UTH3CFOO7X5VBNSIO}

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	2026-05-18T00:03:45.391874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

299401fd04d5267d88ae77efda85b2439aca707a121922396616597bc5197d8f

Aliases

arxiv: 1808.08439 · arxiv_version: 1808.08439v1 · doi: 10.48550/arxiv.1808.08439 · pith_short_12: FGKAD7IE2UTH · pith_short_16: FGKAD7IE2UTH3CFO · pith_short_8: FGKAD7IE

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/FGKAD7IE2UTH3CFOO7X5VBNSIO \
  | 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: 299401fd04d5267d88ae77efda85b2439aca707a121922396616597bc5197d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7dd7e43f8067f763f24c9556550da0f941e5adb697ee829012dc102b3bab268",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-25T15:21:48Z",
    "title_canon_sha256": "44db827afd1db5db43014536f6379fe3c33e628773edefe23496cbab34e1c9e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08439",
    "kind": "arxiv",
    "version": 1
  }
}