Pith Number

pith:ZFV5FJE3

pith:2008:ZFV5FJE37OEGH72O2TJHT6HOLK

not attested not anchored not stored refs pending

Combined Chandra, XMM-Newton and Hubble Space Telescope observations of the Galactic globular cluster NGC 2808

A. Dieball, C. Knigge, D. Barret, D. R. Zurek, K. S. Long, M. M. Shara, M. Servillat, N. A. Webb, R. Cornelisse

arxiv:0808.2661 v1 · 2008-08-19 · 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{ZFV5FJE37OEGH72O2TJHT6HOLK}

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	2026-07-04T17:12:24.710729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c96bd2a49bfb8863ff4ed4d279f8ee5ab5fac900dff9c3957b9fadc7e98442c2

Aliases

arxiv: 0808.2661 · arxiv_version: 0808.2661v1 · doi: 10.48550/arxiv.0808.2661 · pith_short_12: ZFV5FJE37OEG · pith_short_16: ZFV5FJE37OEGH72O · pith_short_8: ZFV5FJE3

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/ZFV5FJE37OEGH72O2TJHT6HOLK \
  | 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: c96bd2a49bfb8863ff4ed4d279f8ee5ab5fac900dff9c3957b9fadc7e98442c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b15c4080606bc88d07221a1f5b2888b7d760c22c1c84dae04fa79f73ff57a755",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-19T21:28:18Z",
    "title_canon_sha256": "988e2ecb367b301d7bad4b1de09b6efd46a136695514689f85ca5f77e9a8b6e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2661",
    "kind": "arxiv",
    "version": 1
  }
}