Pith Number

pith:45KHEULE

pith:2022:45KHEULEE5LSRPK5CUETR4HCWI

not attested not anchored not stored refs pending

Classical Cepheid period-Wesenheit-metallicity relation in the Gaia bands

E. Poggio, G. Catanzaro, G. Clementini, G. De Somma, I. Musella, M. Marconi, R. Drimmel, R. Molinaro, S. Leccia, V. Ripepi

arxiv:2201.01126 v1 · 2022-01-04 · 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{45KHEULEE5LSRPK5CUETR4HCWI}

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	2026-07-05T04:09:43.758336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e754725164275728bd5d150938f0e2b227dd1a5c877365b8ff68a74723680278

Aliases

arxiv: 2201.01126 · arxiv_version: 2201.01126v1 · doi: 10.48550/arxiv.2201.01126 · pith_short_12: 45KHEULEE5LS · pith_short_16: 45KHEULEE5LSRPK5 · pith_short_8: 45KHEULE

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/45KHEULEE5LSRPK5CUETR4HCWI \
  | 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: e754725164275728bd5d150938f0e2b227dd1a5c877365b8ff68a74723680278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "869da1589d48dadb37b2235d71388e79abac2824b55991b9a73366062e4aa864",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-01-04T13:14:34Z",
    "title_canon_sha256": "97940bda80fff1dff13e2b1ca71cbe56aac2c45b5f9496d6a666d2df185ad8d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01126",
    "kind": "arxiv",
    "version": 1
  }
}