Pith Number

pith:RYQHKUV3

pith:2018:RYQHKUV3TYITRLOFCI3WD7PXX3

not attested not anchored not stored refs pending

Space climate and space weather over the past 400 years: 2. Proxy indicators of geomagnetic storm and substorm

Chris J. Scott, Clare E. Watt, Luke A. Barnard, Mathew J. Owens, Mike Lockwood, Sarah Bentley

arxiv:1801.02434 v1 · 2018-01-08 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYQHKUV3TYITRLOFCI3WD7PXX3}

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	2026-05-18T00:26:31.622923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e207552bb9e1138adc5123761fdf7bef20004d5c75d7e3e8a15846374739263

Aliases

arxiv: 1801.02434 · arxiv_version: 1801.02434v1 · doi: 10.48550/arxiv.1801.02434 · pith_short_12: RYQHKUV3TYIT · pith_short_16: RYQHKUV3TYITRLOF · pith_short_8: RYQHKUV3

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/RYQHKUV3TYITRLOFCI3WD7PXX3 \
  | 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: 8e207552bb9e1138adc5123761fdf7bef20004d5c75d7e3e8a15846374739263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "565542253f2ef7adc97c0454617c0106ac3f794220c68fb0b0d85d363c1cfeac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-08T14:23:05Z",
    "title_canon_sha256": "0a8904920e9353e94413cbbe9402b7a3852e2f79b89c51ecb24f52008e493b36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02434",
    "kind": "arxiv",
    "version": 1
  }
}