Pith Number

pith:GHY3D3LN

pith:2009:GHY3D3LNH7U36US6IDKZ5KWX2Z

not attested not anchored not stored refs pending

Very blue UV-continuum slopes of low luminosity z~7 galaxies from WFC3/IR: Evidence for extremely low metallicities?

D. Magee (UCSC), G.D. Illingworth (UCSC), I. Labbe (OCIW), M. Carollo (ETH Zurich), M. Franx (Leiden), M. Stiavelli (STScI), M. Trenti (Colorado), P.A. Oesch (ETH Zurich), P.G. van Dokkum (Yale), R.J. Bouwens (UCSC/Leiden)

arxiv:0910.0001 v4 · 2009-10-01 · 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{GHY3D3LNH7U36US6IDKZ5KWX2Z}

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	2026-05-18T02:11:35.750849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f1b1ed6d3fe9bf525e40d59eaad7d67097ba5ba947b17c936de25a6d2bc393

Aliases

arxiv: 0910.0001 · arxiv_version: 0910.0001v4 · doi: 10.48550/arxiv.0910.0001 · pith_short_12: GHY3D3LNH7U3 · pith_short_16: GHY3D3LNH7U36US6 · pith_short_8: GHY3D3LN

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/GHY3D3LNH7U36US6IDKZ5KWX2Z \
  | 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: 31f1b1ed6d3fe9bf525e40d59eaad7d67097ba5ba947b17c936de25a6d2bc393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6feb72ab561db586f99a2d8b0a24a1c64337155e9e4145db6b502a0599e5b49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-01T19:42:13Z",
    "title_canon_sha256": "cfa4d2f6d04b15a0714c515cdfe4eeefaabd0cded3725f1e36b3ac918cbf00fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0001",
    "kind": "arxiv",
    "version": 4
  }
}