Pith Number

pith:YLNM7MFE

pith:2009:YLNM7MFE2U6BASXDFTM3XDW6VR

not attested not anchored not stored refs pending

Stellar velocity profiles and line strengths out to four effective radii in the early-type galaxies NGC 3379 and NGC 821

1), (2) Oxford, (3) CRAL/Observatoire de Lyon, (4) ESO, (5) ESTEC, (6) Gemini Observatory, (7) University of Texas at Austin, (8) IAS, A. Weijmans (1), E. Emsellem (3), G. van de Ven (8) ((1) Sterrewacht Leiden, H. Kuntschner (4), J. Falcon-Barroso (5), M. Cappellari (2), Princeton), P.T. de Zeeuw (4, R. Bacon (3), R.C.E. van den Bosch (7), R.M. McDermid (6)

arxiv:0906.0018 v1 · 2009-05-29 · 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{YLNM7MFE2U6BASXDFTM3XDW6VR}

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	2026-05-18T02:13:30.526055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2dacfb0a4d53c104ae32cd9bb8edeac607fd9e487ece587f0a6ed16ca0a89ae

Aliases

arxiv: 0906.0018 · arxiv_version: 0906.0018v1 · doi: 10.48550/arxiv.0906.0018 · pith_short_12: YLNM7MFE2U6B · pith_short_16: YLNM7MFE2U6BASXD · pith_short_8: YLNM7MFE

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/YLNM7MFE2U6BASXDFTM3XDW6VR \
  | 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: c2dacfb0a4d53c104ae32cd9bb8edeac607fd9e487ece587f0a6ed16ca0a89ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a077f52990f8637531c2634aa5fbad36ccfe4d5b8ffa23c72a16ea10cec72350",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-29T20:52:21Z",
    "title_canon_sha256": "9993eb2c0cf557289dd190c70a6388381beffab491bbbd898114f93a37d3e573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0018",
    "kind": "arxiv",
    "version": 1
  }
}