Pith Number

pith:SCFDV3D3

pith:2009:SCFDV3D3MDMRHQWVLPXEDO3QRT

not attested not anchored not stored refs pending

Physical properties and environments of nearby galaxies

John Moustakas, Michael R. Blanton

arxiv:0908.3017 v1 · 2009-08-20 · astro-ph.GA · 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{SCFDV3D3MDMRHQWVLPXEDO3QRT}

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.

Cited by

1 paper in Pith

Robustness Analysis of USmorph: II. Optimizing Feature Extraction, Dimensionality Reduction, and Clustering for Unsupervised Galaxy Morphology Classification

Receipt and verification

First computed	2026-05-18T02:12:24.517372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

908a3aec7b60d913c2d55bee41bb708cda2888c8135ce636658c6297a351519e

Aliases

arxiv: 0908.3017 · arxiv_version: 0908.3017v1 · doi: 10.48550/arxiv.0908.3017 · pith_short_12: SCFDV3D3MDMR · pith_short_16: SCFDV3D3MDMRHQWV · pith_short_8: SCFDV3D3

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/SCFDV3D3MDMRHQWVLPXEDO3QRT \
  | 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: 908a3aec7b60d913c2d55bee41bb708cda2888c8135ce636658c6297a351519e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a2deb1655723592da72a8e4ac692e85971017db5ae8cfe9fbf7c5fca5680a1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-20T21:06:43Z",
    "title_canon_sha256": "5cb658f3112b46cf6d25eda6c695fe4ea302d30ffe3b22a9cf4e01f07d92c501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3017",
    "kind": "arxiv",
    "version": 1
  }
}