Pith Number

pith:IDMV7IM4

pith:2009:IDMV7IM4A2XY5Q74UCINODB3NK

not attested not anchored not stored refs pending

Star clusters as laboratories for stellar and dynamical evolution

Astronomy, Canada), Harvey B. Richer (2) ((1) Space Telescope Science Institute, Jason S. Kalirai (1), University of British Columbia, USA; (2) Department of Physics

arxiv:0911.0789 v1 · 2009-11-04 · 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{IDMV7IM4A2XY5Q74UCINODB3NK}

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	2026-05-18T02:10:59.716662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40d95fa19c06af8ec3fca090d70c3b6a949b3ece51166e50714ffdfcf171979b

Aliases

arxiv: 0911.0789 · arxiv_version: 0911.0789v1 · doi: 10.48550/arxiv.0911.0789 · pith_short_12: IDMV7IM4A2XY · pith_short_16: IDMV7IM4A2XY5Q74 · pith_short_8: IDMV7IM4

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/IDMV7IM4A2XY5Q74UCINODB3NK \
  | 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: 40d95fa19c06af8ec3fca090d70c3b6a949b3ece51166e50714ffdfcf171979b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d4d510a4b7c45a25bdaf0b19351e0e7f43b3da412d325a0e125f20a400d474",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-04T11:43:21Z",
    "title_canon_sha256": "f37788e0b49aea910211f7614fffdd811c1b5a8d7080743ee0178bba21745671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0789",
    "kind": "arxiv",
    "version": 1
  }
}