Pith Number

pith:TSM234ZC

pith:2018:TSM234ZCXS6GL7CYLTTF4XJGYL

not attested not anchored not stored refs pending

A Systematic Study of Hale and Anti-Hale Sunspot Physical Parameters

Jing Li

arxiv:1809.08980 v1 · 2018-09-24 · 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{TSM234ZCXS6GL7CYLTTF4XJGYL}

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	2026-05-18T00:00:49.804343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c99adf322bcbc65fc585ce65e5d26c2c81a4542f9fda74ebe08d1ebf6d2edd8

Aliases

arxiv: 1809.08980 · arxiv_version: 1809.08980v1 · doi: 10.48550/arxiv.1809.08980 · pith_short_12: TSM234ZCXS6G · pith_short_16: TSM234ZCXS6GL7CY · pith_short_8: TSM234ZC

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/TSM234ZCXS6GL7CYLTTF4XJGYL \
  | 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: 9c99adf322bcbc65fc585ce65e5d26c2c81a4542f9fda74ebe08d1ebf6d2edd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08f5b63db20233f3c9a54a91e118f74fc2288e19ccd3def14e2815e0844e3b3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-24T14:56:22Z",
    "title_canon_sha256": "3a2bd37fb3edefc692ae3f773499191fe6413d73652837846317be34b24dc18c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08980",
    "kind": "arxiv",
    "version": 1
  }
}