Pith Number

pith:ERFBOPZ3

pith:2008:ERFBOPZ34F44AVA6BO73FSPO2C

not attested not anchored not stored refs pending

Internal kinematics of spiral galaxies in distant clusters III. Velocity fields from FORS2/MXU spectroscopy

A. B\"ohm, B. L. Ziegler, C. Da Rocha, E. Kutdemir, Harald Kuntschner, K. J\"ager, M. Verdugo, R. F. Peletier, S. Schindler, T. Kronberger, W. Kapferer

arxiv:0806.4622 v1 · 2008-06-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERFBOPZ34F44AVA6BO73FSPO2C}

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	2026-07-04T17:11:34.047648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244a173f3be179c0541e0bbfb2c9eed0b1ef57552717a9e0a6c3cc83ffa6b24f

Aliases

arxiv: 0806.4622 · arxiv_version: 0806.4622v1 · doi: 10.48550/arxiv.0806.4622 · pith_short_12: ERFBOPZ34F44 · pith_short_16: ERFBOPZ34F44AVA6 · pith_short_8: ERFBOPZ3

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/ERFBOPZ34F44AVA6BO73FSPO2C \
  | 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: 244a173f3be179c0541e0bbfb2c9eed0b1ef57552717a9e0a6c3cc83ffa6b24f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d977f79ff4fe63034a2d26b6d33e3633b7882d4d0e390a7137220a537ec4f418",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-28T18:53:28Z",
    "title_canon_sha256": "cd56d084a88004e425fd7b8f0e9d7ae4336d01ef150bb587cd531a232a179097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4622",
    "kind": "arxiv",
    "version": 1
  }
}