Pith Number

pith:LUZV6G5R

pith:2009:LUZV6G5RQN7XVVPKA7EVFG573Y

not attested not anchored not stored refs pending

Star Cluster Candidates in M81

B. McLeod, J. B. Nantais, J. P. Brodie, J. P. Huchra, J. Strader

arxiv:0908.4091 v3 · 2009-08-27 · 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{LUZV6G5RQN7XVVPKA7EVFG573Y}

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	2026-05-18T02:12:21.882303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d335f1bb1837f7ad5ea07c9529bbfde175c517257c04e67208c963be43d568f

Aliases

arxiv: 0908.4091 · arxiv_version: 0908.4091v3 · doi: 10.48550/arxiv.0908.4091 · pith_short_12: LUZV6G5RQN7X · pith_short_16: LUZV6G5RQN7XVVPK · pith_short_8: LUZV6G5R

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/LUZV6G5RQN7XVVPKA7EVFG573Y \
  | 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: 5d335f1bb1837f7ad5ea07c9529bbfde175c517257c04e67208c963be43d568f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eeff82ae213ee8ecfddc49cd0fafa2af929a5aeb0f5d36cff10efadb7db39f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-27T20:16:09Z",
    "title_canon_sha256": "03b21d8d58a6bcba8f0bf749d249a9d39eb5cd855c82a375ed63dbb227e78142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4091",
    "kind": "arxiv",
    "version": 3
  }
}