Pith Number

pith:V6UZ4XUB

pith:2009:V6UZ4XUB3WQRLGPYBQLSQDCPIE

not attested not anchored not stored refs pending

Dust-Corrected Star Formation Rates of Galaxies. I. Combinations of H-alpha and Infrared Tracers

Benjamin D. Johnson, Cai-Na Hao, Charles W. Engelbracht, Daniela Calzetti, Daniel A. Dale, George Bendo, Janice C. Lee, John Moustakas, Jr., Robert C. Kennicutt

arxiv:0908.0203 v1 · 2009-08-03 · 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{V6UZ4XUB3WQRLGPYBQLSQDCPIE}

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	2026-05-18T03:48:02.371210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa99e5e81dda11599f80c17280c4f4115bf5be5a2d7c6db590743b045436d28

Aliases

arxiv: 0908.0203 · arxiv_version: 0908.0203v1 · doi: 10.48550/arxiv.0908.0203 · pith_short_12: V6UZ4XUB3WQR · pith_short_16: V6UZ4XUB3WQRLGPY · pith_short_8: V6UZ4XUB

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/V6UZ4XUB3WQRLGPYBQLSQDCPIE \
  | 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: afa99e5e81dda11599f80c17280c4f4115bf5be5a2d7c6db590743b045436d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e79b77dab92b8a99554630e7ed8a27777e649e1d9e05fe96bc811d3ad9578b46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-03T08:44:28Z",
    "title_canon_sha256": "dbc3e389ca5a2d1744b1eb139406c4f8e3ee61f63c8a91d40e70669b60020a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0203",
    "kind": "arxiv",
    "version": 1
  }
}