Pith Number

pith:C6CP6KYB

pith:2003:C6CP6KYBC223W6CORMGI5D3DWB

not attested not anchored not stored refs pending

Globular Cluster Distances from RR Lyrae Stars

Carla Cacciari, Gisella Clementini (INAF, Italy), Osservatorio Astronomico Bologna

arxiv:astro-ph/0301550 v2 · 2003-01-28 · 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{C6CP6KYBC223W6CORMGI5D3DWB}

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	2026-05-18T01:40:39.468845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1784ff2b0116b5bb784e8b0c8e8f63b0750e0ae5e5216760537c23cd6ff480e5

Aliases

arxiv: astro-ph/0301550 · arxiv_version: astro-ph/0301550v2 · doi: 10.48550/arxiv.astro-ph/0301550 · pith_short_12: C6CP6KYBC223 · pith_short_16: C6CP6KYBC223W6CO · pith_short_8: C6CP6KYB

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/C6CP6KYBC223W6CORMGI5D3DWB \
  | 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: 1784ff2b0116b5bb784e8b0c8e8f63b0750e0ae5e5216760537c23cd6ff480e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b8f53f48372ec4f3043c9432ceac452f8262a48794e955bf8e138996ae90bf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-28T10:26:14Z",
    "title_canon_sha256": "a895a64fa82cc69835af0d1fb68cd371a262b0bee5cd322905dc8c244a538f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301550",
    "kind": "arxiv",
    "version": 2
  }
}