Pith Number

pith:ZHRN6AXV

pith:2005:ZHRN6AXVWLMGG4LHHVXU5RBAZ3

not attested not anchored not stored refs pending

Predicted and empirical radii of RR Lyrae stars

F. Caputo, G. Bono, G. Schnider, M. Marconi, T. Nordgren

arxiv:astro-ph/0503382 v1 · 2005-03-17 · 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{ZHRN6AXVWLMGG4LHHVXU5RBAZ3}

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	2026-07-04T16:51:01.351716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9e2df02f5b2d86371673d6f4ec420ced97d98bdf34f0f346a05624619494746

Aliases

arxiv: astro-ph/0503382 · arxiv_version: astro-ph/0503382v1 · doi: 10.48550/arxiv.astro-ph/0503382 · pith_short_12: ZHRN6AXVWLMG · pith_short_16: ZHRN6AXVWLMGG4LH · pith_short_8: ZHRN6AXV

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/ZHRN6AXVWLMGG4LHHVXU5RBAZ3 \
  | 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: c9e2df02f5b2d86371673d6f4ec420ced97d98bdf34f0f346a05624619494746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd8a5ba2466a304da389138478d90ccd4a8dd580ef5b47db6190b11105ad76b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-17T10:37:03Z",
    "title_canon_sha256": "5558c97accb6b5aa5d8a4d39d134f93a9ccfcb115e4b43c08def65aa8011c70f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503382",
    "kind": "arxiv",
    "version": 1
  }
}