Pith Number

pith:OWQLNY2L

pith:2018:OWQLNY2LVX4WEVAYW43WI7ZMHW

not attested not anchored not stored refs pending

A re-classification of Cepheids in the Gaia Data Release 2

I. Musella, L. Eyer, M. Marconi, R. Molinaro, S. Leccia, V. Ripepi

arxiv:1810.10486 v2 · 2018-10-24 · 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{OWQLNY2LVX4WEVAYW43WI7ZMHW}

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	2026-05-17T23:41:12.777078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a0b6e34badf9625418b737647f2c3d8068c5c63831b3fbff97d80946024e5e

Aliases

arxiv: 1810.10486 · arxiv_version: 1810.10486v2 · doi: 10.48550/arxiv.1810.10486 · pith_short_12: OWQLNY2LVX4W · pith_short_16: OWQLNY2LVX4WEVAY · pith_short_8: OWQLNY2L

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/OWQLNY2LVX4WEVAYW43WI7ZMHW \
  | 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: 75a0b6e34badf9625418b737647f2c3d8068c5c63831b3fbff97d80946024e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89bd63e532bebf145750885495559c4a0b72878b0242b349bc967d18ab9a9f2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-24T16:47:02Z",
    "title_canon_sha256": "1d841008496efbfde918d5df62e1f0b1613cc372afff2974d321399b632ed005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10486",
    "kind": "arxiv",
    "version": 2
  }
}