Pith Number

pith:LXZEW7P2

pith:2009:LXZEW7P26S6XXDNMHB3RBTIII4

not attested not anchored not stored refs pending

Galaxy Zoo: The properties of merging galaxies in the nearby Universe - local environments, colours, masses, star-formation rates and AGN activity

A. Slosar, A. S. Szalay, C. J. Lintott, D. Andreescu, D. Thomas, D. W. Darg, J. Silk, J. Vandenberg, K. Schawinski, M. J. Raddick, M. Sarzi, P. Murray, R. C. Nichol, S. Bamford, S. Kaviraj

arxiv:0903.5057 v3 · 2009-03-29 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXZEW7P26S6XXDNMHB3RBTIII4}

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	2026-05-18T02:14:18.732270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df24b7dfaf4bd7b8dac387710cd0847006274665bf7e715cc8021bb5d7bc0f1

Aliases

arxiv: 0903.5057 · arxiv_version: 0903.5057v3 · doi: 10.48550/arxiv.0903.5057 · pith_short_12: LXZEW7P26S6X · pith_short_16: LXZEW7P26S6XXDNM · pith_short_8: LXZEW7P2

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/LXZEW7P26S6XXDNMHB3RBTIII4 \
  | 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: 5df24b7dfaf4bd7b8dac387710cd0847006274665bf7e715cc8021bb5d7bc0f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea6d35be543e453db4444f38fd84a478c6773a09ede5b013e23a9ffbbfcc3a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-29T15:43:18Z",
    "title_canon_sha256": "304d2b89844988ca7700e2789c0fff4aa625527b1fcd4d814b581f6147f6b6dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5057",
    "kind": "arxiv",
    "version": 3
  }
}