Pith Number

pith:UKO7WNU2

pith:2000:UKO7WNU2FUKPXB2JU7TYZLY6ZB

not attested not anchored not stored refs pending

Solar variability and climate

Linghuai H. Li (Yale), Sabatino Sofia (Yale)

arxiv:astro-ph/0010514 v1 · 2000-10-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKO7WNU2FUKPXB2JU7TYZLY6ZB}

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	2026-05-18T01:40:45.383374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a29dfb369a2d14fb8749a7e78caf1ec851cf9f6874217ca8303c584a536ada09

Aliases

arxiv: astro-ph/0010514 · arxiv_version: astro-ph/0010514v1 · doi: 10.48550/arxiv.astro-ph/0010514 · pith_short_12: UKO7WNU2FUKP · pith_short_16: UKO7WNU2FUKPXB2J · pith_short_8: UKO7WNU2

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/UKO7WNU2FUKPXB2JU7TYZLY6ZB \
  | 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: a29dfb369a2d14fb8749a7e78caf1ec851cf9f6874217ca8303c584a536ada09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54c61ff16a298ef8aea139b6e88cd3960116b73205f7c897d22876c4147e767",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-25T14:50:44Z",
    "title_canon_sha256": "1051554fcba0f1d8386ae9b0b43f059b947224d63795e83619499c07ce263c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010514",
    "kind": "arxiv",
    "version": 1
  }
}