Pith Number

pith:OMARIZC7

pith:2009:OMARIZC7Y7B6L57GLY5JH2XEF2

not attested not anchored not stored refs pending

Helium-Core White Dwarfs in the Globular Cluster NGC 6397

A. M. Cool, A. M. Serenelli, H. N. Cohn, J. Anderson, P. M. Lugger, R. R. Strickler

arxiv:0904.3496 v2 · 2009-04-22 · astro-ph.GA · 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{OMARIZC7Y7B6L57GLY5JH2XEF2}

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	2026-05-18T04:29:43.348628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

730114645fc7c3e5f7e65e3a93eae42e88ef8fdfa68623ff5b0d30ce1a43399e

Aliases

arxiv: 0904.3496 · arxiv_version: 0904.3496v2 · doi: 10.48550/arxiv.0904.3496 · pith_short_12: OMARIZC7Y7B6 · pith_short_16: OMARIZC7Y7B6L57G · pith_short_8: OMARIZC7

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/OMARIZC7Y7B6L57GLY5JH2XEF2 \
  | 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: 730114645fc7c3e5f7e65e3a93eae42e88ef8fdfa68623ff5b0d30ce1a43399e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "096253b9a81cb1312ba4e9105f37303696f7dd1dc71a68d38f5044fd77c3a46f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-22T19:53:22Z",
    "title_canon_sha256": "ef5878020911d0b5ee689c18d89c4e45b6853608bf0b706521bb7a670b8e524e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3496",
    "kind": "arxiv",
    "version": 2
  }
}