Pith Number

pith:QTLRXRR3

pith:2011:QTLRXRR32XZXY247RANDNKP4G2

not attested not anchored not stored refs pending

Evolution of the solar irradiance during the Holocene

Ilya Usoskin, Luis Eduardo A. Vieira, Natalie A. Krivova, Sami K. Solanki

arxiv:1103.4958 v2 · 2011-03-25 · astro-ph.SR · physics.ao-ph · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTLRXRR32XZXY247RANDNKP4G2}

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	2026-05-18T04:22:10.140538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d71bc63bd5f37c6b9f881a36a9fc36a58b6bd2303dcac42099e237357d9515

Aliases

arxiv: 1103.4958 · arxiv_version: 1103.4958v2 · doi: 10.48550/arxiv.1103.4958 · pith_short_12: QTLRXRR32XZX · pith_short_16: QTLRXRR32XZXY247 · pith_short_8: QTLRXRR3

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/QTLRXRR32XZXY247RANDNKP4G2 \
  | 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: 84d71bc63bd5f37c6b9f881a36a9fc36a58b6bd2303dcac42099e237357d9515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504b8a6d0f898cd1d146f14d9d0e66f7359153850f81ce4a3229fecdeceb45e7",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-25T12:29:23Z",
    "title_canon_sha256": "d40e890db5b4a89d7d49afb732251d990f5e4d41932789ca598140b013bf1e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4958",
    "kind": "arxiv",
    "version": 2
  }
}