Pith Number

pith:IE2XRYVR

pith:2009:IE2XRYVRHQHEE2EMNCAJIZ3UFI

not attested not anchored not stored refs pending

MASSCLEANcolors - Mass Dependent Integrated Colors for Stellar Clusters Derived from 30 Million Monte Carlo Simulations -

Bogdan Popescu, M.M. Hanson

arxiv:0912.2583 v3 · 2009-12-14 · 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{IE2XRYVRHQHEE2EMNCAJIZ3UFI}

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	2026-05-18T02:10:23.989303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

413578e2b13c0e42688c68809467742a02e17bdfc00152b1b5711c75229ca723

Aliases

arxiv: 0912.2583 · arxiv_version: 0912.2583v3 · doi: 10.48550/arxiv.0912.2583 · pith_short_12: IE2XRYVRHQHE · pith_short_16: IE2XRYVRHQHEE2EM · pith_short_8: IE2XRYVR

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/IE2XRYVRHQHEE2EMNCAJIZ3UFI \
  | 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: 413578e2b13c0e42688c68809467742a02e17bdfc00152b1b5711c75229ca723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c26e3117593e1da3b3d5b059fdc4b6738223e11d3008a726c3706c45299107de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-14T20:34:24Z",
    "title_canon_sha256": "3e203a3f6c6b835d6c152484f38dba09db2c1261521e62cb1eeb8167bf65b5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2583",
    "kind": "arxiv",
    "version": 3
  }
}