Pith Number

pith:NSYOBJXR

pith:2010:NSYOBJXRMMY7ADMDIIOXDWIJWI

not attested not anchored not stored refs pending

Galaxy Zoo: Dust in Spirals

Alexander S. Szalay (JHU), Anze Slosar (Berkeley), Chris J. Lintott (Oxford), Dan Andreescu (Linklab), Daniel Thomas (ICG Portsmouth), Edward M. Edmondson (ICG Portsmouth), Jan Vandenberg (JHU), Karen L. Masters (ICG Portsmouth), Kevin Schawinski (Yale/Einstein Fellow), M. Jordan Raddick (JHU), Moein Mosleh (Sussex/Leiden), Phil Murray (Fingerprint Digital Media), Robert C. Nichol (ICG Portsmouth), Steven Bamford (Nottingham), William C. Keel (Alabama)

arxiv:1001.1744 v2 · 2010-01-12 · 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{NSYOBJXRMMY7ADMDIIOXDWIJWI}

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	2026-05-18T02:10:02.855735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb0e0a6f16331f00d83421d71d909b23a609859516ec3d6dcd32cc8423152c2

Aliases

arxiv: 1001.1744 · arxiv_version: 1001.1744v2 · doi: 10.48550/arxiv.1001.1744 · pith_short_12: NSYOBJXRMMY7 · pith_short_16: NSYOBJXRMMY7ADMD · pith_short_8: NSYOBJXR

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/NSYOBJXRMMY7ADMDIIOXDWIJWI \
  | 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: 6cb0e0a6f16331f00d83421d71d909b23a609859516ec3d6dcd32cc8423152c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88cc249500122ae357d4dae59825769db3ba1f2af3bd942e14b2b73f82806cee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-12T12:22:52Z",
    "title_canon_sha256": "43cb5e2652005f1492956261e8f68558dbb78776400dabe55c0731ff98b98327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1744",
    "kind": "arxiv",
    "version": 2
  }
}