Pith Number

pith:IGU7B2S4

pith:2012:IGU7B2S44X3URASF3UQ7XCZHBY

not attested not anchored not stored refs pending

Metallicity Gradients in Disks: Do Galaxies Form Inside-Out?

A. Rahimi, B.K. Gibson, C.B. Brook, C.G. Few, C. Kobayashi, D. Kawata, F. Calura, F. Matteucci, G.S. Stinson, H.M.P. Couchman, J. Bailin, J. Wadsley, K. Pilkington, L. Michel-Dansac, M. Molla, R.J. Thacker

arxiv:1201.6359 v2 · 2012-01-30 · astro-ph.GA · 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{IGU7B2S44X3URASF3UQ7XCZHBY}

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.

Cited by

1 paper in Pith

Witnessing the rapid growth of disk galaxies over cosmic time using JWST and HST

Receipt and verification

First computed	2026-05-18T01:58:37.927391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a9f0ea5ce5f7488245dd21fb8b270e28f5536902474b9d24ed725e4a52c2a3

Aliases

arxiv: 1201.6359 · arxiv_version: 1201.6359v2 · doi: 10.48550/arxiv.1201.6359 · pith_short_12: IGU7B2S44X3U · pith_short_16: IGU7B2S44X3URASF · pith_short_8: IGU7B2S4

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/IGU7B2S44X3URASF3UQ7XCZHBY \
  | 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: 41a9f0ea5ce5f7488245dd21fb8b270e28f5536902474b9d24ed725e4a52c2a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58dcb6a8345a6a6a755566b2ec5a64a68369a537fdbefa6da66c1b1f5835c6d3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-30T21:00:01Z",
    "title_canon_sha256": "04f3ce70083268223acf9b55cd88a011b1a54ba7db1d51f5780d5f83b12762b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6359",
    "kind": "arxiv",
    "version": 2
  }
}