Pith Number

pith:CDKX7RJN

pith:2009:CDKX7RJNV3LLVVPU7XRXC44XKI

not attested not anchored not stored refs pending

Resolving the timing problem of the globular clusters orbiting the Fornax dwarf galaxy

Antonaldo Diaferio, Garry W. Angus

arxiv:0903.2874 v1 · 2009-03-16 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDKX7RJNV3LLVVPU7XRXC44XKI}

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	2026-05-18T02:14:27.887389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10d57fc52daed6bad5f4fde37173975234432ab6781833eee1ef9f4963ce8d90

Aliases

arxiv: 0903.2874 · arxiv_version: 0903.2874v1 · doi: 10.48550/arxiv.0903.2874 · pith_short_12: CDKX7RJNV3LL · pith_short_16: CDKX7RJNV3LLVVPU · pith_short_8: CDKX7RJN

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/CDKX7RJNV3LLVVPU7XRXC44XKI \
  | 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: 10d57fc52daed6bad5f4fde37173975234432ab6781833eee1ef9f4963ce8d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7d8f09c328575559c58883adbb04f852df0e6ec7848f38bedbbca622131d35d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-16T23:26:54Z",
    "title_canon_sha256": "a8913cf157d6e2d70b1078b4440adc5a56c46d203ef9ee1f86c7f231bc5b0c87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2874",
    "kind": "arxiv",
    "version": 1
  }
}