Pith Number

pith:JV6HZPKN

pith:2010:JV6HZPKN7PEING7WNOTIKQYA4A

not attested not anchored not stored refs pending

Dust Obscuration and Metallicity at High Redshift: New Inferences from UV, H-alpha, and 8 Micron Observations of z~2 Star-Forming Galaxies

Alice E. Shapley (UCLA), Charles C. Steidel (Caltech), Dawn K. Erb (UCSB), Max Pettini (IoA), Naveen A. Reddy (NOAO)

arxiv:1002.0837 v1 · 2010-02-03 · 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{JV6HZPKN7PEING7WNOTIKQYA4A}

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	2026-05-18T02:09:19.986856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d7c7cbd4dfbc8869bf66ba6854300e02817608a4eefacad93172ca1bf6166ad

Aliases

arxiv: 1002.0837 · arxiv_version: 1002.0837v1 · doi: 10.48550/arxiv.1002.0837 · pith_short_12: JV6HZPKN7PEI · pith_short_16: JV6HZPKN7PEING7W · pith_short_8: JV6HZPKN

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/JV6HZPKN7PEING7WNOTIKQYA4A \
  | 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: 4d7c7cbd4dfbc8869bf66ba6854300e02817608a4eefacad93172ca1bf6166ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a06f4d8fd5a1ec658c19d0a84fa4307f64b90d6d07667673c51e5d6a67ce7176",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-03T21:00:06Z",
    "title_canon_sha256": "43bfda877761cba46870bd3db1bb5ed97e08f5e8d45cafffc52bee02c30d42a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0837",
    "kind": "arxiv",
    "version": 1
  }
}