Pith Number

pith:QCA2MKXP

pith:2009:QCA2MKXPFX376SFXOY3AG3PMWN

not attested not anchored not stored refs pending

The relationship between chromospheric emissions and magnetic field strength

Maria A. Loukitcheva, Sami K. Solanki, Stephen M. White

arxiv:0910.1985 v1 · 2009-10-11 · 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{QCA2MKXPFX376SFXOY3AG3PMWN}

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	2026-05-18T02:34:19.276407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8081a62aef2df7ff48b77636036decb37a84ec7e1303851823ac4c84bf392f73

Aliases

arxiv: 0910.1985 · arxiv_version: 0910.1985v1 · doi: 10.48550/arxiv.0910.1985 · pith_short_12: QCA2MKXPFX37 · pith_short_16: QCA2MKXPFX376SFX · pith_short_8: QCA2MKXP

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/QCA2MKXPFX376SFXOY3AG3PMWN \
  | 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: 8081a62aef2df7ff48b77636036decb37a84ec7e1303851823ac4c84bf392f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba448c11549dd5a1968b04d7f834bd55af6a3e016175ec3da86263589c8a57c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-11T08:44:13Z",
    "title_canon_sha256": "4e8fe835751d67dfd5d99fe4739f1df745e7026ba93391aae61945e63d44d428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1985",
    "kind": "arxiv",
    "version": 1
  }
}