Pith Number

pith:BRGHSRBT

pith:2009:BRGHSRBTPCNVYKWZBQUYRWR5YK

not attested not anchored not stored refs pending

Obscured star formation at z = 0.84 with HiZELS: the relationship between star formation rate and H-alpha or ultra-violet dust extinction

David Sobral, Duncan Farrah, Gavin B. Dalton, Ian Smail, James E. Geach, James S. Dunlop, Michele Cirasuolo, Philip N. Best, Ross J. McLure, Timothy Garn

arxiv:0911.2511 v1 · 2009-11-13 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRGHSRBTPCNVYKWZBQUYRWR5YK}

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	2026-05-18T02:10:48.044172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c4c794433789b5c2ad90c2988da3dc2b8a9895c8919221809e662f3b5469d10

Aliases

arxiv: 0911.2511 · arxiv_version: 0911.2511v1 · doi: 10.48550/arxiv.0911.2511 · pith_short_12: BRGHSRBTPCNV · pith_short_16: BRGHSRBTPCNVYKWZ · pith_short_8: BRGHSRBT

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/BRGHSRBTPCNVYKWZBQUYRWR5YK \
  | 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: 0c4c794433789b5c2ad90c2988da3dc2b8a9895c8919221809e662f3b5469d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1575fca8897b2da7f0d0cfaec58f1ac13ad1a8264b98c880a31e88bbf554189",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-13T16:26:24Z",
    "title_canon_sha256": "4a276a88754c5cc46e98490e1056971897a1a21a27c1dd077457106ab012b1bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2511",
    "kind": "arxiv",
    "version": 1
  }
}