Pith Number

pith:PMFD3A4A

pith:2014:PMFD3A4ARYWVO5CO53CYATZG6X

not attested not anchored not stored refs pending

Solar cycle variation in solar irradiance

K. L. Yeo, N. A. Krivova, S. K. Solanki

arxiv:1407.4249 v1 · 2014-07-16 · 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{PMFD3A4ARYWVO5CO53CYATZG6X}

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	2026-05-18T01:37:21.428004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0a3d83808e2d57744eeec5804f26f5e05dbc94ce45bc43530e3d185c336005

Aliases

arxiv: 1407.4249 · arxiv_version: 1407.4249v1 · doi: 10.48550/arxiv.1407.4249 · pith_short_12: PMFD3A4ARYWV · pith_short_16: PMFD3A4ARYWVO5CO · pith_short_8: PMFD3A4A

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/PMFD3A4ARYWVO5CO53CYATZG6X \
  | 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: 7b0a3d83808e2d57744eeec5804f26f5e05dbc94ce45bc43530e3d185c336005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d756915f56fa761c89367a785873c27763ae6fda4d34a6fbba85bf8a9ab5654b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-16T10:18:52Z",
    "title_canon_sha256": "0adc88e89a9185950739eeb2dfd469100731decd2ff7faa978a017baa90759fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4249",
    "kind": "arxiv",
    "version": 1
  }
}