Pith Number

pith:EAYHD3ME

pith:2012:EAYHD3ME32LVCQWL443ZBW4GSS

not attested not anchored not stored refs pending

The influence of solar spectral lines on electron concentration in terrestrial ionosphere

A. Nina, D. Sulic, V. A. Sreckovic, V. Cadez

arxiv:1201.2282 v1 · 2012-01-11 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAYHD3ME32LVCQWL443ZBW4GSS}

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	2026-05-18T00:21:29.597191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203071ed84de975142cbe73790db86948e94d99b793b0e70721addf1f4949127

Aliases

arxiv: 1201.2282 · arxiv_version: 1201.2282v1 · doi: 10.48550/arxiv.1201.2282 · pith_short_12: EAYHD3ME32LV · pith_short_16: EAYHD3ME32LVCQWL · pith_short_8: EAYHD3ME

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/EAYHD3ME32LVCQWL443ZBW4GSS \
  | 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: 203071ed84de975142cbe73790db86948e94d99b793b0e70721addf1f4949127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b19c4210dce7cd567085dd340fdba090fe52fda7a4c2ae884f65aa51568f3f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-01-11T11:26:26Z",
    "title_canon_sha256": "a86fb701f9587406e0f1d3411e5db2ce39555d21c0ea1ad60b58feb1bd83cc4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2282",
    "kind": "arxiv",
    "version": 1
  }
}