Pith Number

pith:EC7SWR4U

pith:2009:EC7SWR4UWNVJ4Z4BULBTTP3PDD

not attested not anchored not stored refs pending

An HI view of the on-going assembly of early-type galaxies: present and future observations

A. Weijmans, D. Krajnovic, E. Emsellem, F. Bournaud, G. van de Ven, H. Kuntschner, J. Falcon-Barroso, K. Alatalo, L. Blitz, L.M. Young, M. Bois, M. Bureau, M. Cappellari, M. Sarzi, N. Scott, P. Duc, P. Lablanche, P. Serra, P.T. de Zeeuw, R.C.E. van den Bosch, R.L. Davies, R.M. McDermid, R. Morganti, S. Khochfar, T.A. Davis, T.A. Oosterloo, T. Naab

arxiv:0912.3099 v2 · 2009-12-16 · 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{EC7SWR4UWNVJ4Z4BULBTTP3PDD}

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	2026-07-04T17:17:55.278263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20bf2b4794b36a9e6781a2c339bf6f18e6a82f41e7113f019af3bbb612a3d5b7

Aliases

arxiv: 0912.3099 · arxiv_version: 0912.3099v2 · doi: 10.48550/arxiv.0912.3099 · pith_short_12: EC7SWR4UWNVJ · pith_short_16: EC7SWR4UWNVJ4Z4B · pith_short_8: EC7SWR4U

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/EC7SWR4UWNVJ4Z4BULBTTP3PDD \
  | 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: 20bf2b4794b36a9e6781a2c339bf6f18e6a82f41e7113f019af3bbb612a3d5b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a4635d8e73ed607853fdb135f624e9ac47a30ae38be5dafac214656ab065ef2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-16T11:04:10Z",
    "title_canon_sha256": "f1bfcd0723a8f6863d4ac2d5461536d483b84cd658e3ed103642134e2e8bd167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3099",
    "kind": "arxiv",
    "version": 2
  }
}