Pith Number

pith:SMULGSPW

pith:2010:SMULGSPW2F6QVY54R2XYE2VGN5

not attested not anchored not stored refs pending

Galaxy Zoo: Bars in Disk Galaxies

Arfon Smith (Oxford), Ben Hoyle (ICG, Chris Lintott (Oxford/Adler Planetarium), Daniel Thomas (ICG, Edward M. Edmondson (ICG, Karen L. Masters (ICG, Kevin Schawinski (Yale), Lucy Fortson (Adler Planetarium/Minnesota), Portsmouth), Portsmouth/Barcelona), Robert C. Nichol (ICG, Steven Bamford (Nottingham), William C. Keel (Alabama)

arxiv:1003.0449 v2 · 2010-03-01 · 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{SMULGSPW2F6QVY54R2XYE2VGN5}

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	2026-05-18T02:08:47.873335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9328b349f6d17d0ae3bc8eaf826aa66f43ec13b2bdb49d594c37cded232ffdd6

Aliases

arxiv: 1003.0449 · arxiv_version: 1003.0449v2 · doi: 10.48550/arxiv.1003.0449 · pith_short_12: SMULGSPW2F6Q · pith_short_16: SMULGSPW2F6QVY54 · pith_short_8: SMULGSPW

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/SMULGSPW2F6QVY54R2XYE2VGN5 \
  | 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: 9328b349f6d17d0ae3bc8eaf826aa66f43ec13b2bdb49d594c37cded232ffdd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "061d01b809b4fed2274cb6420145e87ad3657e767fd1048d582b338474c0623a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-01T21:00:41Z",
    "title_canon_sha256": "c7164732f520cc8cc832639bdba18780a5f2dc52d4eb1648680169a8b83ed56f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0449",
    "kind": "arxiv",
    "version": 2
  }
}