Pith Number

pith:SZEKTRDS

pith:2009:SZEKTRDSRJMPFEAXAC2TUCZFRR

not attested not anchored not stored refs pending

Bulges Of Nearby Galaxies With Spitzer: The Growth Of Pseudobulges In Disk Galaxies And Its Connection To Outer Disks

David B. Fisher, Maximilian H. Fabricius, Niv Drory

arxiv:0902.3258 v1 · 2009-02-18 · 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{SZEKTRDSRJMPFEAXAC2TUCZFRR}

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	2026-05-18T04:29:16.440282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9648a9c4728a58f2901700b53a0b258c409d93f9bf22faac8a9b7de9c7e323eb

Aliases

arxiv: 0902.3258 · arxiv_version: 0902.3258v1 · doi: 10.48550/arxiv.0902.3258 · pith_short_12: SZEKTRDSRJMP · pith_short_16: SZEKTRDSRJMPFEAX · pith_short_8: SZEKTRDS

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/SZEKTRDSRJMPFEAXAC2TUCZFRR \
  | 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: 9648a9c4728a58f2901700b53a0b258c409d93f9bf22faac8a9b7de9c7e323eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f3ad77865efcf3ea211f92db9805ee1b004c1bf4494a7385c53f9d208cad79f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-18T21:30:58Z",
    "title_canon_sha256": "53fa9af777f8de00133ba2b475ebb46d65c27b00f93c0328dba35fc3b7fb16f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3258",
    "kind": "arxiv",
    "version": 1
  }
}