Pith Number

pith:EPTXKFG7

pith:2014:EPTXKFG7NBOJWDH26VLE77NPO4

not attested not anchored not stored refs pending

The variability of Sun-like stars: reproducing observed photometric trends

A.I. Shapiro, E.V. Rozanov, N.A. Krivova, R. Knaack, S.K. Solanki, W.K. Schmutz, W.T. Ball, Y.C. Unruh

arxiv:1406.2383 v1 · 2014-06-09 · 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{EPTXKFG7NBOJWDH26VLE77NPO4}

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	2026-05-18T01:43:00.826656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e77514df685c9b0cfaf5564ffdaf7739134cf3ad551437baeb4dcd7ab76712

Aliases

arxiv: 1406.2383 · arxiv_version: 1406.2383v1 · doi: 10.48550/arxiv.1406.2383 · pith_short_12: EPTXKFG7NBOJ · pith_short_16: EPTXKFG7NBOJWDH2 · pith_short_8: EPTXKFG7

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/EPTXKFG7NBOJWDH26VLE77NPO4 \
  | 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: 23e77514df685c9b0cfaf5564ffdaf7739134cf3ad551437baeb4dcd7ab76712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2296326d9e8e6699e95006281f92ebcea549d5a0058308639efa5584484de86e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-09T23:14:02Z",
    "title_canon_sha256": "4b1e06abce513bc6871eb746940f35cd5239d658ca5b20c597af54282fe9c563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2383",
    "kind": "arxiv",
    "version": 1
  }
}