Pith Number

pith:2TUHZBTF

pith:2017:2TUHZBTFAY636WGPJQWCT6KCBJ

not attested not anchored not stored refs pending

Comment on the paper by Popova et al. "On a role of quadruple component of magnetic field in defining solar activity in grand cycles"

Ilya G. Usoskin

arxiv:1710.05203 v1 · 2017-10-14 · 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{2TUHZBTFAY636WGPJQWCT6KCBJ}

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	2026-05-18T00:32:54.062769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4e87c8665063dbf58cf4c2c29f9420a573d27a58f71c85adc5ea7ac6a82e5a7

Aliases

arxiv: 1710.05203 · arxiv_version: 1710.05203v1 · doi: 10.48550/arxiv.1710.05203 · pith_short_12: 2TUHZBTFAY63 · pith_short_16: 2TUHZBTFAY636WGP · pith_short_8: 2TUHZBTF

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/2TUHZBTFAY636WGPJQWCT6KCBJ \
  | 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: d4e87c8665063dbf58cf4c2c29f9420a573d27a58f71c85adc5ea7ac6a82e5a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7e7aa4bd50a74a032715c2818b7e4bc8f5d681ebfeab195799d8fca66edb8f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-10-14T16:06:15Z",
    "title_canon_sha256": "765a96ca1b391819a59815fd6d96b593cf0227189034edcaa39f5c55d8f4cad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05203",
    "kind": "arxiv",
    "version": 1
  }
}