Pith Number

pith:SECWRLGQ

pith:2017:SECWRLGQE5TZCFMS3PFMBAIAGC

not attested not anchored not stored refs pending

The nature of solar brightness variations

A.I. Shapiro, K.L. Yeo, N.A. Krivova, R. H. Cameron, S.K. Solanki, W.K. Schmutz

arxiv:1711.04156 v2 · 2017-11-11 · 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{SECWRLGQE5TZCFMS3PFMBAIAGC}

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	2026-05-18T00:29:36.470343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910568acd02767911592dbcac0810030bba94b9468c5a5703066a141c37625c6

Aliases

arxiv: 1711.04156 · arxiv_version: 1711.04156v2 · doi: 10.48550/arxiv.1711.04156 · pith_short_12: SECWRLGQE5TZ · pith_short_16: SECWRLGQE5TZCFMS · pith_short_8: SECWRLGQ

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/SECWRLGQE5TZCFMS3PFMBAIAGC \
  | 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: 910568acd02767911592dbcac0810030bba94b9468c5a5703066a141c37625c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "493555d53c1073658a42bb098af91afc304c12f2f362039c441b4d6e7711a513",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-11T15:40:36Z",
    "title_canon_sha256": "86a049a5981e92d6191e558fe1f8a2cfff7ae47f628c306347d8ffadcbb872a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04156",
    "kind": "arxiv",
    "version": 2
  }
}