Pith Number

pith:MU5BNZCH

pith:2005:MU5BNZCH2M5RSF7I4DDB5OGRLO

not attested not anchored not stored refs pending

Aperture effects on Star Formation Rate, Metallicity and Reddening

L. J. Kewley, M. J. Geller, R. A. Jansen

arxiv:astro-ph/0501229 v1 · 2005-01-12 · 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{MU5BNZCH2M5RSF7I4DDB5OGRLO}

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	2026-05-18T02:40:25.930190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653a16e447d33b1917e8e0c61eb8d15b9f3fd990b5dc28b9273721b8fad409d4

Aliases

arxiv: astro-ph/0501229 · arxiv_version: astro-ph/0501229v1 · doi: 10.48550/arxiv.astro-ph/0501229 · pith_short_12: MU5BNZCH2M5R · pith_short_16: MU5BNZCH2M5RSF7I · pith_short_8: MU5BNZCH

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/MU5BNZCH2M5RSF7I4DDB5OGRLO \
  | 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: 653a16e447d33b1917e8e0c61eb8d15b9f3fd990b5dc28b9273721b8fad409d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d65af6f86894bc71bfd0ecfa638057810e6161b879c543a917698f456026eb06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-12T21:25:03Z",
    "title_canon_sha256": "82c402d5a36a3ac7b4a89ec18a0fb14225de7b8c56c788b5db0b388da9c62053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501229",
    "kind": "arxiv",
    "version": 1
  }
}