Pith Number

pith:WBUISARD

pith:2012:WBUISARDN4IOSIE6N4FMSWTTAN

not attested not anchored not stored refs pending

A Bayesian Approach to Calibrating Period-Luminosity Relations of RR Lyrae Stars in the Mid-Infrared

Christopher R. Klein, Joseph W. Richards, Joshua S. Bloom, Nathaniel R. Butler

arxiv:1202.3990 v1 · 2012-02-17 · astro-ph.IM · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBUISARDN4IOSIE6N4FMSWTTAN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:24.012012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0688902236f10e9209e6f0ac95a73035edfc17c82bf102f81c0064bddae9e25

Aliases

arxiv: 1202.3990 · arxiv_version: 1202.3990v1 · doi: 10.48550/arxiv.1202.3990 · pith_short_12: WBUISARDN4IO · pith_short_16: WBUISARDN4IOSIE6 · pith_short_8: WBUISARD

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/WBUISARDN4IOSIE6N4FMSWTTAN \
  | 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: b0688902236f10e9209e6f0ac95a73035edfc17c82bf102f81c0064bddae9e25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c0240a5431ce288fa4475e1bb1e85781b3b7528e2002b58057ad59b452cf220",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-02-17T18:46:09Z",
    "title_canon_sha256": "189e1fd24eff5df6488a34ab88ec6aea189d0f1ce6a158d122a6c1221f2dd3a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3990",
    "kind": "arxiv",
    "version": 1
  }
}