Pith Number

pith:LTKCKE47

pith:2009:LTKCKE47JJMYCTC3UVNDRV3TPA

not attested not anchored not stored refs pending

UV Continuum Slope and Dust Obscuration from z~6 to z~2: The Star Formation Rate Density at High Redshift

C.J. Conselice (Nottingham), G.D. Illingworth (UCSC), G.R. Meurer (JHU), H. Ford (JHU), M. Franx (Leiden Observatory), M. Giavalisco (U Mass), P. van Dokkum (Yale), R.J. Bouwens (UCSC), R-R. Chary (SSC)

arxiv:0909.4074 v1 · 2009-09-23 · 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{LTKCKE47JJMYCTC3UVNDRV3TPA}

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	2026-05-18T02:34:28.157221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd425139f4a59814c5ba55a38d773782deafc4014af3fa94b6d366377eac204

Aliases

arxiv: 0909.4074 · arxiv_version: 0909.4074v1 · doi: 10.48550/arxiv.0909.4074 · pith_short_12: LTKCKE47JJMY · pith_short_16: LTKCKE47JJMYCTC3 · pith_short_8: LTKCKE47

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/LTKCKE47JJMYCTC3UVNDRV3TPA \
  | 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: 5cd425139f4a59814c5ba55a38d773782deafc4014af3fa94b6d366377eac204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb88b3159cb6c9887460a0221cccd85820fe71637b3c766ee4e3e13fdf1f339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-23T04:29:10Z",
    "title_canon_sha256": "8c3d885cbab3cd996dc43454a4133251833b31505aa239ae6f18c370b9d11f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4074",
    "kind": "arxiv",
    "version": 1
  }
}