Pith Number

pith:C5CVR4EM

pith:2009:C5CVR4EMJJOG2CVS6VE525E2OW

not attested not anchored not stored refs pending

Galaxy Zoo: Exploring the Motivations of Citizen Science Volunteers

Alexander S. Szalay (Johns Hopkins University), Chris J. Lintott (Oxford University), Georgia Bracey, Jan Vandenberg (Johns Hopkins University), Kevin Schawinski (Einstein Fellow, M. Jordan Raddick (Johns Hopkins University), Pamela L. Gay (Southern Illinois University Edwardsville), Phil Murray (Fingerprint Digital Media), Yale University)

arxiv:0909.2925 v1 · 2009-09-16 · astro-ph.IM · astro-ph.GA · physics.pop-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{C5CVR4EMJJOG2CVS6VE525E2OW}

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

Classifying galaxies in the Galaxy10 DECals dataset using Inception and Residual CNNs

Receipt and verification

First computed	2026-05-18T02:11:47.521308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

174558f08c4a5c6d0ab2f549dd749a75b81c368e1c7c1d2a9282666ba2f777d9

Aliases

arxiv: 0909.2925 · arxiv_version: 0909.2925v1 · doi: 10.48550/arxiv.0909.2925 · pith_short_12: C5CVR4EMJJOG · pith_short_16: C5CVR4EMJJOG2CVS · pith_short_8: C5CVR4EM

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/C5CVR4EMJJOG2CVS6VE525E2OW \
  | 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: 174558f08c4a5c6d0ab2f549dd749a75b81c368e1c7c1d2a9282666ba2f777d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d592643c16eb2ef722ffb80217460fee67d5fca471b7a91ea880f6a372709a2e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-09-16T05:47:55Z",
    "title_canon_sha256": "2a284553f7bbaab35155d3cd29d8513256a018f6c13f3fbcbcc25e390ab5a9c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2925",
    "kind": "arxiv",
    "version": 1
  }
}