Pith Number

pith:HFQOQLEA

pith:2022:HFQOQLEA2TCFIYKYIKGJIGKU6E

not attested not anchored not stored refs pending

Zwicky Transient Facility and Globular Clusters: The Period-Luminosity and Period-Wesenheit Relations for Type II Cepheids

Anupam Bhardwaj, Ben Rusholme, Chow-Choong Ngeow, Jing-Yi Henderson, Josiah Purdum, Matthew J. Graham, Michael S. Medford, Russ R. Laher

arxiv:2208.03404 v1 · 2022-08-05 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFQOQLEA2TCFIYKYIKGJIGKU6E}

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	2026-07-05T05:01:28.840100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27

Aliases

arxiv: 2208.03404 · arxiv_version: 2208.03404v1 · doi: 10.48550/arxiv.2208.03404 · pith_short_12: HFQOQLEA2TCF · pith_short_16: HFQOQLEA2TCFIYKY · pith_short_8: HFQOQLEA

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/HFQOQLEA2TCFIYKYIKGJIGKU6E \
  | 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: 3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6918f2801288771f70f344d9bff4b3d0dcb5a91233da90c9bfb79c4b178b370a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-08-05T23:26:38Z",
    "title_canon_sha256": "1c1585d79ccf12b5eac574703fe4da5f25f3323c3049ccbe40465883bfa0f202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.03404",
    "kind": "arxiv",
    "version": 1
  }
}