Pith Number

pith:IZ7LFJHN

pith:2009:IZ7LFJHNMFHLUO2G5QGZZPZYTR

not attested not anchored not stored refs pending

Environmental Effects in the Evolution of Galactic Bulges

Lauren A. MacArthur (NRC-HIA/UVic), Richard S. Ellis (Caltech), Sean Moran (JHU), Tommaso Treu (UCSB)

arxiv:0912.1605 v1 · 2009-12-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZ7LFJHNMFHLUO2G5QGZZPZYTR}

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	2026-05-18T02:10:25.514376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

467eb2a4ed614eba3b46ec0d9cbf389c62b9d748c0cb0c9c7d1afd0090c052fe

Aliases

arxiv: 0912.1605 · arxiv_version: 0912.1605v1 · doi: 10.48550/arxiv.0912.1605 · pith_short_12: IZ7LFJHNMFHL · pith_short_16: IZ7LFJHNMFHLUO2G · pith_short_8: IZ7LFJHN

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/IZ7LFJHNMFHLUO2G5QGZZPZYTR \
  | 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: 467eb2a4ed614eba3b46ec0d9cbf389c62b9d748c0cb0c9c7d1afd0090c052fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38ae1d3838970f97c53f55e3d9e4966ffd5d4b5344d1b2bf83b683d64fa8bdeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-08T21:05:01Z",
    "title_canon_sha256": "6f52ed860723d461158b45e61b1805ec4f5a1c4791669a5809b28301ea327550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1605",
    "kind": "arxiv",
    "version": 1
  }
}