Pith Number

pith:6S6YP24G

pith:2009:6S6YP24GYXWVEL3RHD6OGRWXUB

not attested not anchored not stored refs pending

Imaging Atomic and Highly Excited Molecular Gas in a z=6.42 Quasar Host Galaxy: Copious Fuel for an Eddington-Limited Starburst at the End of Cosmic Reionization

2, 7), Axel Weiss (6), Christopher L. Carilli (4), Dominik A. Riechers (1, Fabian Walter (2), France; (6) MPIfR, Frank Bertoldi (3), Germany; (3) AIfA Bonn, Germany; (4) NRAO, Germany; (7) Hubble Fellow), Karl M. Menten (6) ((1) Caltech, Manuel Aravena (3), Pierre Cox (5), Roberto Neri (5), USA; (2) MPIA, USA; (5) IRAM

arxiv:0908.0018 v1 · 2009-07-31 · 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{6S6YP24GYXWVEL3RHD6OGRWXUB}

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	2026-05-18T04:40:20.574188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4bd87eb86c5ed522f7138fce346d7a04e5b91dc55b4f4a96ed538d96040398e

Aliases

arxiv: 0908.0018 · arxiv_version: 0908.0018v1 · doi: 10.48550/arxiv.0908.0018 · pith_short_12: 6S6YP24GYXWV · pith_short_16: 6S6YP24GYXWVEL3R · pith_short_8: 6S6YP24G

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/6S6YP24GYXWVEL3RHD6OGRWXUB \
  | 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: f4bd87eb86c5ed522f7138fce346d7a04e5b91dc55b4f4a96ed538d96040398e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a670cad87035f63aecbeb0726fa486ac26a67251a4587885def18e96cc0d394d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-31T22:42:57Z",
    "title_canon_sha256": "555d752da11608c904cb66a301fd7073d8413930a740cfe47fd0a22cbb3ac9eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0018",
    "kind": "arxiv",
    "version": 1
  }
}