Pith Number

pith:36GTU3JZ

pith:2011:36GTU3JZQN5LN66C4WWURCNWUW

not attested not anchored not stored refs pending

RR Lyraes and Type II Cepheids in the Magellanic Clouds: Distance Scales and Population Gradients

Michael Feast (UCT, SAAO)

arxiv:1106.1449 v1 · 2011-06-07 · 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{36GTU3JZQN5LN66C4WWURCNWUW}

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	2026-05-18T04:20:22.987743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df8d3a6d39837ab6fbc2e5ad4889b6a5911a836f70b48e8131e626df08b3d6e7

Aliases

arxiv: 1106.1449 · arxiv_version: 1106.1449v1 · doi: 10.48550/arxiv.1106.1449 · pith_short_12: 36GTU3JZQN5L · pith_short_16: 36GTU3JZQN5LN66C · pith_short_8: 36GTU3JZ

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/36GTU3JZQN5LN66C4WWURCNWUW \
  | 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: df8d3a6d39837ab6fbc2e5ad4889b6a5911a836f70b48e8131e626df08b3d6e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf668a7a184e699059a14df5d2ccbd4aa8c98bb9bd4370b7b677b2be47c9ec8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-07T20:24:37Z",
    "title_canon_sha256": "1049e8b7e1a28b627ef1d4683d4c0656f03c132806487001b015a941f178cb02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1449",
    "kind": "arxiv",
    "version": 1
  }
}