Pith Number

pith:XI3YFKJB

pith:2011:XI3YFKJBUXBATAGCRX7OG3DGSW

not attested not anchored not stored refs pending

The phase relation between sunspot numbers and soft X-ray flares

C.L. Xu, L.H. Deng, X.L. Yan, Z.Q. Qu

arxiv:1101.0646 v2 · 2011-01-04 · 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{XI3YFKJBUXBATAGCRX7OG3DGSW}

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	2026-05-18T02:23:05.638284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba3782a921a5c20980c28dfee36c6695a468ab27e1ab002a1a5aafddc8c08b92

Aliases

arxiv: 1101.0646 · arxiv_version: 1101.0646v2 · doi: 10.48550/arxiv.1101.0646 · pith_short_12: XI3YFKJBUXBA · pith_short_16: XI3YFKJBUXBATAGC · pith_short_8: XI3YFKJB

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/XI3YFKJBUXBATAGCRX7OG3DGSW \
  | 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: ba3782a921a5c20980c28dfee36c6695a468ab27e1ab002a1a5aafddc8c08b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7703b8754992dd5eeb8c33fce47c245d6393fa33f92198c05a21c3a64a937627",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-04T02:53:36Z",
    "title_canon_sha256": "de9e60b8870ffeea9e70b619c8b8e04ee0ca0ee30b3bdae44aaf973c27754289"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0646",
    "kind": "arxiv",
    "version": 2
  }
}