Pith Number

pith:G5E75CGO

pith:2011:G5E75CGOX3VICGAHWPVVASBDCL

not attested not anchored not stored refs pending

RR Lyrae Period-Amplitude Diagrams: From Bailey to Today

Charles Kuehn, Horace A. Smith, Marcio Catelan

arxiv:1106.4809 v1 · 2011-06-23 · 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{G5E75CGOX3VICGAHWPVVASBDCL}

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	2026-05-18T04:19:23.657975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3749fe88cebeea811807b3eb50482312c23efefbe374db24da4d56c109f5e8e3

Aliases

arxiv: 1106.4809 · arxiv_version: 1106.4809v1 · doi: 10.48550/arxiv.1106.4809 · pith_short_12: G5E75CGOX3VI · pith_short_16: G5E75CGOX3VICGAH · pith_short_8: G5E75CGO

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/G5E75CGOX3VICGAHWPVVASBDCL \
  | 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: 3749fe88cebeea811807b3eb50482312c23efefbe374db24da4d56c109f5e8e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d3a2d0972e30e05630cd9c44a1bac49f88c8ada21c12ebab464fa73f0e4d6c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-23T19:55:03Z",
    "title_canon_sha256": "11a57de4d0b60148ac353ba2c88393c640bf52c9641fa84f59e8da01bdf553df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4809",
    "kind": "arxiv",
    "version": 1
  }
}