Pith Number

pith:QP3A3DY7

pith:2009:QP3A3DY7RJQMBVGBNP3L6SZPYB

not attested not anchored not stored refs pending

The GALEX Arecibo SDSS Survey. I. Gas Fraction Scaling Relations of Massive Galaxies and First Data Release

Antara R. Basu-Zych, Barbara Catinella, Barry F. Madore, Benjamin D. Johnson, Cameron Hummels, Christopher D. Martin, David A. Thilker, David Schiminovich, Guinevere Kauffmann, Jarle Brinchmann, Jenna Lemonias, Jing Wang, Linda J. Tacconi, Martha P. Haynes, Michael R. Blanton, Michael R. Rich, Riccardo Giovanelli, Robert C. Kennicutt, Ronin Wu, Sean M. Moran, Silvia Fabello, Tam\'as Budav\'ari, Ted K. Wyder, Thiago Gon\c{c}alves, Timothy M. Heckman, Vivienne Wild

arxiv:0912.1610 v1 · 2009-12-09 · 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{QP3A3DY7RJQMBVGBNP3L6SZPYB}

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	2026-05-18T02:10:25.505407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f60d8f1f8a60c0d4c16bf6bf4b2fc0462e79152d79911fb4be58811882f816

Aliases

arxiv: 0912.1610 · arxiv_version: 0912.1610v1 · doi: 10.48550/arxiv.0912.1610 · pith_short_12: QP3A3DY7RJQM · pith_short_16: QP3A3DY7RJQMBVGB · pith_short_8: QP3A3DY7

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/QP3A3DY7RJQMBVGBNP3L6SZPYB \
  | 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: 83f60d8f1f8a60c0d4c16bf6bf4b2fc0462e79152d79911fb4be58811882f816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1329cb3bfef7a35d6e957e8f5af42d8eedffc6468a6e5c4bde1a02bb10ba752d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-09T10:52:40Z",
    "title_canon_sha256": "aaad661b63fa9685c2abc6e2b298314baea44734efb7f14d131ed745748e5659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1610",
    "kind": "arxiv",
    "version": 1
  }
}