Pith Number

pith:YSVGOMHM

pith:2018:YSVGOMHMFBVICNW676XUCQCTOP

not attested not anchored not stored refs pending

An Updated Solar Cycle 25 Prediction with AFT: The Modern Minimum

David H. Hathaway, Lisa A. Upton

arxiv:1808.04868 v1 · 2018-08-14 · 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{YSVGOMHMFBVICNW676XUCQCTOP}

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	2026-05-18T00:01:58.126984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4aa6730ec286a8136deffaf41405373d6efcb08aa26efdab41ee7457d7d563b

Aliases

arxiv: 1808.04868 · arxiv_version: 1808.04868v1 · doi: 10.48550/arxiv.1808.04868 · pith_short_12: YSVGOMHMFBVI · pith_short_16: YSVGOMHMFBVICNW6 · pith_short_8: YSVGOMHM

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/YSVGOMHMFBVICNW676XUCQCTOP \
  | 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: c4aa6730ec286a8136deffaf41405373d6efcb08aa26efdab41ee7457d7d563b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "987aac6595e758cca3beb4b47f68f270c8647a38f8f731fd22193ad8c1d64217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-14T19:20:45Z",
    "title_canon_sha256": "71ac402416b244bde570bd42154407a8e29c4992c1b18be77091d33be6f4977a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04868",
    "kind": "arxiv",
    "version": 1
  }
}