Pith Number

pith:7BQ7G4IT

pith:2011:7BQ7G4ITO7BCRO2VSRTOVKARNN

not attested not anchored not stored refs pending

Galaxy Zoo: building the low-mass end of the red sequence with local post-starburst galaxies

A. Szalay, C. Lintott, D. Andreescu, D. Darg, D. Thomas, J. Vandenberg, K. L. Masters, K. Schawinski, M. J. Raddick, O. Ivy Wong, P. Murray, R. C. Nichol, S. Kaviraj, S. P. Bamford, W. C. Keel

arxiv:1111.1785 v1 · 2011-11-08 · 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{7BQ7G4ITO7BCRO2VSRTOVKARNN}

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	2026-05-18T01:59:44.000434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f861f3711377c228bb559466eaa8116b7509370057c2fc69544ef1e192f45354

Aliases

arxiv: 1111.1785 · arxiv_version: 1111.1785v1 · doi: 10.48550/arxiv.1111.1785 · pith_short_12: 7BQ7G4ITO7BC · pith_short_16: 7BQ7G4ITO7BCRO2V · pith_short_8: 7BQ7G4IT

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/7BQ7G4ITO7BCRO2VSRTOVKARNN \
  | 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: f861f3711377c228bb559466eaa8116b7509370057c2fc69544ef1e192f45354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f020e206d8c932e9bba8b0c7f9fac3650aaa0b36704fd53e6a68d238202afee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-08T03:02:39Z",
    "title_canon_sha256": "12307cb33337bd64878027fe0f2e16eebb789021b4d866d941813696527a7d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1785",
    "kind": "arxiv",
    "version": 1
  }
}