Pith Number

pith:4PPNSLHX

pith:2011:4PPNSLHXBCTDXE3HFLWM5QQY73

not attested not anchored not stored refs pending

Solar irradiance models and measurements: a comparison in the 220 nm to 240 nm wavelength band

Natalie A. Krivova, Will T. Ball, Yvonne C. Unruh

arxiv:1111.2068 v1 · 2011-11-08 · 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{4PPNSLHXBCTDXE3HFLWM5QQY73}

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	2026-05-18T01:59:43.456575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ded92cf708a63b93672aeccec218fec64ff73cfcfc7d3f5c223d80f581502b

Aliases

arxiv: 1111.2068 · arxiv_version: 1111.2068v1 · doi: 10.48550/arxiv.1111.2068 · pith_short_12: 4PPNSLHXBCTD · pith_short_16: 4PPNSLHXBCTDXE3H · pith_short_8: 4PPNSLHX

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/4PPNSLHXBCTDXE3HFLWM5QQY73 \
  | 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: e3ded92cf708a63b93672aeccec218fec64ff73cfcfc7d3f5c223d80f581502b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a84ab9372f60e4ab609c67348f3d8676766b98a96544a94c376a503ac3ba4e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-08T21:58:20Z",
    "title_canon_sha256": "57581ab55025d41e9f9eb93d3bef0413ffc6571d1489e016d8a70d770a198036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2068",
    "kind": "arxiv",
    "version": 1
  }
}