Pith Number

pith:KPPJAATR

pith:2020:KPPJAATRIXUH3DF4A43X3NHBVF

not attested not anchored not stored refs pending

The flux-weighted gravity-luminosity relation of Galactic classical Cepheids

M.A.T. Groenewegen

arxiv:2007.02148 v1 · 2020-07-04 · 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{KPPJAATRIXUH3DF4A43X3NHBVF}

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.

Cited by

1 paper in Pith

Cepheid metallicities from low-resolution near-infrared spectra: validation against the optical reference scale

Receipt and verification

First computed	2026-07-05T01:30:34.856394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53de90027145e87d8cbc07377db4e1a967e07a67eece6f7dd9d770850c3c70cd

Aliases

arxiv: 2007.02148 · arxiv_version: 2007.02148v1 · doi: 10.48550/arxiv.2007.02148 · pith_short_12: KPPJAATRIXUH · pith_short_16: KPPJAATRIXUH3DF4 · pith_short_8: KPPJAATR

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/KPPJAATRIXUH3DF4A43X3NHBVF \
  | 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: 53de90027145e87d8cbc07377db4e1a967e07a67eece6f7dd9d770850c3c70cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a8d40f3ded07220e8d7f4b8beb34332de876496608c606e84a3c4ec87605bc7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-04T17:22:46Z",
    "title_canon_sha256": "92b966a39fafacf32301d8b84b8078ecabec5292d5c3d6a34cc7035cf25f68f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02148",
    "kind": "arxiv",
    "version": 1
  }
}