Pith Number

pith:3TGSYW3U

pith:2006:3TGSYW3UKRYD4TTULDSM2C6QA6

not attested not anchored not stored refs pending

The Survey for Ionization in Neutral Gas Galaxies- II. The Star Formation Rate Density of the Local Universe

B.S. Koribalski, D.J. Hanish, E.V. Ryan-Weber, G.R. Meurer, H.C. Ferguson, J. Bland-Hawthorn, J.K. Werk, Jr., K.C. Freeman, L. Staveley-Smith, M.A. Dopita, M.A. Zwaan, M.E. Putman, M.J. Drinkwater, M.J. Meyer, M.S. Oey, M.T. Doyle, P.M. Knezek, R.C. Kennicutt, R.C. Smith, R.L. Webster, T.M. Heckman, V.A. Kilborn

arxiv:astro-ph/0604442 v2 · 2006-04-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TGSYW3UKRYD4TTULDSM2C6QA6}

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	2026-05-18T03:47:43.221825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dccd2c5b7454703e4e7458e4cd0bd0078fc2f14354872fca74a7bdb3edce87b2

Aliases

arxiv: astro-ph/0604442 · arxiv_version: astro-ph/0604442v2 · doi: 10.48550/arxiv.astro-ph/0604442 · pith_short_12: 3TGSYW3UKRYD · pith_short_16: 3TGSYW3UKRYD4TTU · pith_short_8: 3TGSYW3U

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/3TGSYW3UKRYD4TTULDSM2C6QA6 \
  | 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: dccd2c5b7454703e4e7458e4cd0bd0078fc2f14354872fca74a7bdb3edce87b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343978c3ed006ea963953d376997921af3f29001a4975495824c60514a9c32b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-20T20:25:01Z",
    "title_canon_sha256": "01be1916cb70bced25aae39f8d79fb0cf0dee0a96d0b2ea2e51ac8cc2a68fd05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604442",
    "kind": "arxiv",
    "version": 2
  }
}