Pith Number

pith:RP2ZL53P

pith:2018:RP2ZL53PEWLA6AESEJ5VDOZA5E

not attested not anchored not stored refs pending

Revised historical solar irradiance forcing

A. I. Shapiro, E. Rozanov, I. Usoskin, J. Beer, R. V. Tagirov, T. Egorova, T. Peter, W. Schmutz

arxiv:1804.00287 v1 · 2018-04-01 · 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{RP2ZL53PEWLA6AESEJ5VDOZA5E}

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	2026-05-18T00:10:31.425011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf595f76f25960f0092227b51bb20e933fb42c832eacefc59fe0c2713ab7902

Aliases

arxiv: 1804.00287 · arxiv_version: 1804.00287v1 · doi: 10.48550/arxiv.1804.00287 · pith_short_12: RP2ZL53PEWLA · pith_short_16: RP2ZL53PEWLA6AES · pith_short_8: RP2ZL53P

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/RP2ZL53PEWLA6AESEJ5VDOZA5E \
  | 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: 8bf595f76f25960f0092227b51bb20e933fb42c832eacefc59fe0c2713ab7902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "162e764b8e773a1872e214a58e9c49e4f4b1bf4c2aea3d6e1938cfa8023e7d00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-01T12:14:28Z",
    "title_canon_sha256": "47f2c81e4a97747b456a0446f7e9d8409d8d119a23aace9c9da32d8a481d7f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00287",
    "kind": "arxiv",
    "version": 1
  }
}