Pith Number

pith:UCGFMAYC

pith:2010:UCGFMAYCJCGVRSOXI3ARUBYI5V

not attested not anchored not stored refs pending

Star Clusters in M31: Old Clusters with Bar Kinematics

A. Romanowsky, E. Athanassoula, H. Morrison, N. Caldwell, P. Harding, R. Schiavon

arxiv:1011.2232 v1 · 2010-11-09 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCGFMAYCJCGVRSOXI3ARUBYI5V}

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	2026-05-18T02:04:49.517079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08c560302488d58c9d746c11a0708ed4528b15f996a06dbc6b6cd2e90bb1f41

Aliases

arxiv: 1011.2232 · arxiv_version: 1011.2232v1 · doi: 10.48550/arxiv.1011.2232 · pith_short_12: UCGFMAYCJCGV · pith_short_16: UCGFMAYCJCGVRSOX · pith_short_8: UCGFMAYC

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/UCGFMAYCJCGVRSOXI3ARUBYI5V \
  | 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: a08c560302488d58c9d746c11a0708ed4528b15f996a06dbc6b6cd2e90bb1f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73605afea473c1515ecb2a94531c6b6a6bd79268566fd5b933febe3cff0bce20",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-09T23:05:33Z",
    "title_canon_sha256": "d626ea76a0a137fa2a234d9e4d387e0a19657fbf0054ff258458dae6858ca9e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2232",
    "kind": "arxiv",
    "version": 1
  }
}