Pith Number

pith:6KZHEL7K

pith:2005:6KZHEL7KE7VE3BPTOMTNGJ6VCR

not attested not anchored not stored refs pending

Variable stars in the globular cluster NGC 2419

C.Greco, G. Clementini, I. Musella, L. Baldacci, L. Di Fabrizio, L. Federici, M. Maio, M. Marconi, P. B. Stetson, V. Ripepi

arxiv:astro-ph/0509319 v1 · 2005-09-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KZHEL7KE7VE3BPTOMTNGJ6VCR}

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	2026-05-18T04:33:50.855465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2b2722fea27ea4d85f37326d327d514632ff6cd42cab134b3d012809e60f2e2

Aliases

arxiv: astro-ph/0509319 · arxiv_version: astro-ph/0509319v1 · doi: 10.48550/arxiv.astro-ph/0509319 · pith_short_12: 6KZHEL7KE7VE · pith_short_16: 6KZHEL7KE7VE3BPT · pith_short_8: 6KZHEL7K

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/6KZHEL7KE7VE3BPTOMTNGJ6VCR \
  | 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: f2b2722fea27ea4d85f37326d327d514632ff6cd42cab134b3d012809e60f2e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7476470b0369718b25d0f61c67b2adb06f0f7d3023be522801f4b2d14955ac4e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-13T09:33:34Z",
    "title_canon_sha256": "77b2238b2182d32ff00c3a733f2e4600ed529275e4929ae52f4722ea1275ccff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509319",
    "kind": "arxiv",
    "version": 1
  }
}