Pith Number

pith:YQG3KGL4

pith:2006:YQG3KGL42U7Z5RUOENBXCHICC2

not attested not anchored not stored refs pending

The Outskrits of Spiral Galaxies: Evidence for Multiple Stellar Populations

M. Mouhcine

arxiv:astro-ph/0603191 v1 · 2006-03-08 · 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{YQG3KGL42U7Z5RUOENBXCHICC2}

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	2026-05-18T04:29:04.963327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40db5197cd53f9ec68e2343711d0216a4f4b2b00b41ac6fc003e1db1f8ecb98

Aliases

arxiv: astro-ph/0603191 · arxiv_version: astro-ph/0603191v1 · doi: 10.48550/arxiv.astro-ph/0603191 · pith_short_12: YQG3KGL42U7Z · pith_short_16: YQG3KGL42U7Z5RUO · pith_short_8: YQG3KGL4

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/YQG3KGL42U7Z5RUOENBXCHICC2 \
  | 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: c40db5197cd53f9ec68e2343711d0216a4f4b2b00b41ac6fc003e1db1f8ecb98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88368eb6f79ef39c09c9905de6853e652e93d869608c500534098559ad17685a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-08T11:17:41Z",
    "title_canon_sha256": "e3293cbcec274265b4f9d571e75748a117c0ded893433dbb5b7a38f38a2b9572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603191",
    "kind": "arxiv",
    "version": 1
  }
}