Pith Number

pith:YGNKDWFS

pith:2017:YGNKDWFSWH4QIXC2RGL6IFQHXT

not attested not anchored not stored refs pending

Measurement of the evolution of the magnetic field of the quiet photosphere during a solar cycle

Luca Belluzzi, Lucia Kleint, Michele Bianda, Renzo Ramelli, Svetlana Berdyugina

arxiv:1708.03287 v2 · 2017-08-10 · 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{YGNKDWFSWH4QIXC2RGL6IFQHXT}

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	2026-05-18T00:34:04.516771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19aa1d8b2b1f9045c5a8997e41607bcc1533c8879f438ac3d8c76f03895c20b

Aliases

arxiv: 1708.03287 · arxiv_version: 1708.03287v2 · doi: 10.48550/arxiv.1708.03287 · pith_short_12: YGNKDWFSWH4Q · pith_short_16: YGNKDWFSWH4QIXC2 · pith_short_8: YGNKDWFS

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/YGNKDWFSWH4QIXC2RGL6IFQHXT \
  | 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: c19aa1d8b2b1f9045c5a8997e41607bcc1533c8879f438ac3d8c76f03895c20b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4928819983481198ea633167fc30336c66912f7956388e6bae4f247db9839d02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-10T16:26:15Z",
    "title_canon_sha256": "70b05592c0c3e617b6fae84c6f3ce744dcf9d62ff75c174758e361b8fc3fdf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03287",
    "kind": "arxiv",
    "version": 2
  }
}