Pith Number

pith:XL4ODSMU

pith:2009:XL4ODSMUV422WUUNOKJDKDMQ2N

not attested not anchored not stored refs pending

Optically-passive spirals: The missing link in gradual star formation suppression upon cluster infall

Alfonso Arag\'on-Salamanca, Andy Taylor, Anna Gallazzi, Asmus B\"ohm, Boris H\"au{\ss}ler, Casey Papovich, Catherine Heymans, Chien Y. Peng, Christian Wolf (Oxford), Daniel H. McIntosh, David Bacon, Eelco van Kampen, Eric F. Bell, Fabio D. Barazza, John A.R. Caldwell, Klaus Meisenheimer, Knud Jahnke, Kyle Lane, Lutz Wisotzki, Marco Barden, Meghan E. Gray, Michael Balogh, Sebastian F. S\'anchez, Shardha Jogee, Xianzhong Zheng

arxiv:0906.0306 v1 · 2009-06-01 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XL4ODSMUV422WUUNOKJDKDMQ2N}

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	2026-05-18T01:09:24.253228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baf8e1c994af35ab528d7292350d90d34976ae81a15157f7b5b2ceb7e74742b9

Aliases

arxiv: 0906.0306 · arxiv_version: 0906.0306v1 · doi: 10.48550/arxiv.0906.0306 · pith_short_12: XL4ODSMUV422 · pith_short_16: XL4ODSMUV422WUUN · pith_short_8: XL4ODSMU

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/XL4ODSMUV422WUUNOKJDKDMQ2N \
  | 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: baf8e1c994af35ab528d7292350d90d34976ae81a15157f7b5b2ceb7e74742b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9d2b3ca79f1da26ec8d3bbd8d2c632a78fbbfd20187ee2ca3500e65ffc01b8a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-01T15:46:28Z",
    "title_canon_sha256": "432128d4ee9c20520b98e2f8518dfaac5c8282b79e1fe3d6a668612498955e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0306",
    "kind": "arxiv",
    "version": 1
  }
}