Pith Number

pith:4S2AHP3X

pith:2012:4S2AHP3XZO2EHPLSCAQ2IKZHFB

not attested not anchored not stored refs pending

Total to central luminosity ratios of quiescent galaxies in MODS as an indicator of size evolution

(2) Ehime University), Masaru Kajisawa (2) ((1) Tohoku University, Mohammad Akhlaghi (1), Takashi Ichikawa (1)

arxiv:1202.1887 v1 · 2012-02-09 · 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{4S2AHP3XZO2EHPLSCAQ2IKZHFB}

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	2026-05-18T04:02:38.851653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b403bf77cbb443bd721021a42b27286fe0e0f2bb50db5f9447764444e0eb0b

Aliases

arxiv: 1202.1887 · arxiv_version: 1202.1887v1 · doi: 10.48550/arxiv.1202.1887 · pith_short_12: 4S2AHP3XZO2E · pith_short_16: 4S2AHP3XZO2EHPLS · pith_short_8: 4S2AHP3X

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/4S2AHP3XZO2EHPLSCAQ2IKZHFB \
  | 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: e4b403bf77cbb443bd721021a42b27286fe0e0f2bb50db5f9447764444e0eb0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d3351852f20bc3c1560a48a3c129207910e7edd4decae2e2cfb103454b68b42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-09T04:40:53Z",
    "title_canon_sha256": "0c0bfb28015229e659217331ca78d873a92e4ee82c567f299514751995a1f8cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1887",
    "kind": "arxiv",
    "version": 1
  }
}