Pith Number

pith:FCSSFQ2Z

pith:2010:FCSSFQ2ZQRQ7LX4MIIW7QGOVZ6

not attested not anchored not stored refs pending

Quiet-Sun intensity contrasts in the near ultraviolet

Achim Gandorfer, Alan M. Title, Alex Feller, Johann Hirzberger, Jose A. Bonet, Juan M. Borrero, Manfred Sch\"ussler, Michael Kn\"olker, Nadine Afram, Peter Barthol, Sami K. Solanki, Svetlana V. Berdyugina, Thomas Berkefeld, Tino L. Riethm\"uller, Valentin Mart\'inez Pillet, Wolfgang Schmidt, Yvonne C. Unruh

arxiv:1009.1050 v1 · 2010-09-06 · 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{FCSSFQ2ZQRQ7LX4MIIW7QGOVZ6}

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	2026-05-18T04:41:24.150470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a522c3598461f5df8c422df819d5cfb175fec7ab969d3a5f28a9a676222e95

Aliases

arxiv: 1009.1050 · arxiv_version: 1009.1050v1 · doi: 10.48550/arxiv.1009.1050 · pith_short_12: FCSSFQ2ZQRQ7 · pith_short_16: FCSSFQ2ZQRQ7LX4M · pith_short_8: FCSSFQ2Z

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/FCSSFQ2ZQRQ7LX4MIIW7QGOVZ6 \
  | 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: 28a522c3598461f5df8c422df819d5cfb175fec7ab969d3a5f28a9a676222e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b1b4b37759d257709972786edc02908fcf5f2dab0a83f603a11f4a9e18a1c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-06T13:13:58Z",
    "title_canon_sha256": "a3dcab32121d60509b178cba89145fcf3010246f4786eb6c570257058ac4e3c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1050",
    "kind": "arxiv",
    "version": 1
  }
}