Pith Number

pith:YOOZ363B

pith:2009:YOOZ363BQMO4MMGYRTVCP4IR4R

not attested not anchored not stored refs pending

Evidence for strong dynamical evolution in disk galaxies through the last 11 Gyr. GHASP VIII: A local reference sample of rotating disk galaxies for high redshift studies

B. Epinat, C. Balkowski, M. Marcelin, P. Amram

arxiv:0904.3891 v2 · 2009-04-24 · 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{YOOZ363BQMO4MMGYRTVCP4IR4R}

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	2026-05-18T00:53:35.425429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e

Aliases

arxiv: 0904.3891 · arxiv_version: 0904.3891v2 · doi: 10.48550/arxiv.0904.3891 · pith_short_12: YOOZ363BQMO4 · pith_short_16: YOOZ363BQMO4MMGY · pith_short_8: YOOZ363B

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/YOOZ363BQMO4MMGYRTVCP4IR4R \
  | 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: c39d9dfb61831dc630d88cea27f111e44be4c3bdadb425d14b76b4b0a1e3a92e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "509e1a79d33cc6a1a475e86eccf72fb75eba06215df66a70537bc95cf7f7f9a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-24T15:31:56Z",
    "title_canon_sha256": "157d6e6fbb228a953965c55e878f229a316d31ab46474ead8764746dc0381055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3891",
    "kind": "arxiv",
    "version": 2
  }
}