Pith Number

pith:HB5RFO53

pith:2017:HB5RFO53W3SSMIV64O3GLSPZQ2

not attested not anchored not stored refs pending

Spectral variability of photospheric radiation due to faculae I: The Sun and Sun-like stars

Benjamin Beeck, Charlotte M. Norris, Kok Leng Yeo, Natalie A. Krivova, Sami K. Solanki, Yvonne C. Unruh

arxiv:1705.04455 v1 · 2017-05-12 · 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{HB5RFO53W3SSMIV64O3GLSPZQ2}

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	2026-05-18T00:35:58.884799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387b12bbbbb6e52622bee3b665c9f986aa69d64ddb276dd4253167d93af0e3b0

Aliases

arxiv: 1705.04455 · arxiv_version: 1705.04455v1 · doi: 10.48550/arxiv.1705.04455 · pith_short_12: HB5RFO53W3SS · pith_short_16: HB5RFO53W3SSMIV6 · pith_short_8: HB5RFO53

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/HB5RFO53W3SSMIV64O3GLSPZQ2 \
  | 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: 387b12bbbbb6e52622bee3b665c9f986aa69d64ddb276dd4253167d93af0e3b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe49dec07b54492f631a18771f37dfeb40d8785c964656ac18faada438837aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-12T07:38:47Z",
    "title_canon_sha256": "55e17a822fe429ffdf1ba6e3cd80ac1f7d9c5b42dd8afcd66b25953b3746d04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04455",
    "kind": "arxiv",
    "version": 1
  }
}