Pith Number

pith:ONPFZCKI

pith:2010:ONPFZCKIO4GO3XKYJQ6Z63YXDS

not attested not anchored not stored refs pending

Radiative emission of solar features in the Ca II K line: comparison of measurements and models

F. Giorgi, H. Uitenbroek, I. Ermolli, M. P. Rast, S. Criscuoli, S. K. Solanki

arxiv:1009.0227 v1 · 2010-09-01 · 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{ONPFZCKIO4GO3XKYJQ6Z63YXDS}

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	2026-05-18T02:05:38.424326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

735e5c8948770ceddd584c3d9f6f171c906a2f9c3be8fe0dfccc4f9914313e00

Aliases

arxiv: 1009.0227 · arxiv_version: 1009.0227v1 · doi: 10.48550/arxiv.1009.0227 · pith_short_12: ONPFZCKIO4GO · pith_short_16: ONPFZCKIO4GO3XKY · pith_short_8: ONPFZCKI

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/ONPFZCKIO4GO3XKYJQ6Z63YXDS \
  | 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: 735e5c8948770ceddd584c3d9f6f171c906a2f9c3be8fe0dfccc4f9914313e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02984664643ac83e872294b0790c32de835c1ea8bf18df9e8099e7928b69d634",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-01T17:35:16Z",
    "title_canon_sha256": "b8b58b7ba459275ffdf67ac264841793da9bc11c04f2968f035c2223421a93f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0227",
    "kind": "arxiv",
    "version": 1
  }
}