Pith Number

pith:ITL4Q2YF

pith:2006:ITL4Q2YFV3JRPSTQ65OW4ULR5E

not attested not anchored not stored refs pending

Blue Straggler Stars in Galactic Open Clusters and the Simple Stellar Population Model

L. Deng, Y. Xin, Z. Han

arxiv:astro-ph/0609745 v1 · 2006-09-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITL4Q2YFV3JRPSTQ65OW4ULR5E}

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	2026-05-18T04:28:57.570565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44d7c86b05aed317ca70f75d6e5171e9167ba548083f8123174ea2b8bb67afc6

Aliases

arxiv: astro-ph/0609745 · arxiv_version: astro-ph/0609745v1 · doi: 10.48550/arxiv.astro-ph/0609745 · pith_short_12: ITL4Q2YFV3JR · pith_short_16: ITL4Q2YFV3JRPSTQ · pith_short_8: ITL4Q2YF

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/ITL4Q2YFV3JRPSTQ65OW4ULR5E \
  | 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: 44d7c86b05aed317ca70f75d6e5171e9167ba548083f8123174ea2b8bb67afc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac391ed3dc634312480be906844a1e0c97f3ddb143c5b8462c47cd0e74d74f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-27T09:56:08Z",
    "title_canon_sha256": "22df15a5224c33e31c3b2745fb156bf1763b88a6b9ce955dfe39d092142ed2f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609745",
    "kind": "arxiv",
    "version": 1
  }
}