Pith Number

pith:DIRTQU34

pith:2023:DIRTQU34KPID7U4XB6VYHPGNGW

not attested not anchored not stored refs pending

An asteroseismic age estimate of the open cluster NGC 6866 using Kepler and Gaia

A. Miglio, A. Stokholm, D. Stello, E. L. Sandquist, E. Willett, F. Grundahl, G. Casali, J. Montalb\'an, J. S. Thomsen, K. Brogaard, M. Tailo, T. Arentoft, V. Grisoni

arxiv:2308.12731 v1 · 2023-08-24 · 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{DIRTQU34KPID7U4XB6VYHPGNGW}

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	2026-07-05T07:07:14.835750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2338537c53d03fd3970fab83bccd358d07bae3bc98e7246af52b92d38071a6

Aliases

arxiv: 2308.12731 · arxiv_version: 2308.12731v1 · doi: 10.48550/arxiv.2308.12731 · pith_short_12: DIRTQU34KPID · pith_short_16: DIRTQU34KPID7U4X · pith_short_8: DIRTQU34

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/DIRTQU34KPID7U4XB6VYHPGNGW \
  | 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: 1a2338537c53d03fd3970fab83bccd358d07bae3bc98e7246af52b92d38071a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8bfd72829b73a2eae3ef2ea37e306340388a8df8eb8a0990763266dd14f8ced",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-08-24T12:22:34Z",
    "title_canon_sha256": "3c4b7a6ea9b82108e34210df1a0f54a379061858ac4205c5eb4a2dfa2a70d88c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.12731",
    "kind": "arxiv",
    "version": 1
  }
}