Pith Number

pith:5F37RAZS

pith:2009:5F37RAZSSKVHPON66FXJJVSF6L

not attested not anchored not stored refs pending

A Virtual Sky with Extragalactic HI and CO Lines for the SKA and ALMA

Danail Obreschkow, Francois Levrier, Hans-Rainer Kloeckner, Ian Heywood, Steve Rawlings

arxiv:0908.0983 v2 · 2009-08-07 · 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{5F37RAZSSKVHPON66FXJJVSF6L}

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.

Cited by

1 paper in Pith

Direct detection of the cosmic expansion: the redshift drift and the flux drift

Receipt and verification

First computed	2026-05-18T02:24:47.789021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e977f8833292aa77b9bef16e94d645f2e8ba523890de3fdf11586206cf7977b3

Aliases

arxiv: 0908.0983 · arxiv_version: 0908.0983v2 · doi: 10.48550/arxiv.0908.0983 · pith_short_12: 5F37RAZSSKVH · pith_short_16: 5F37RAZSSKVHPON6 · pith_short_8: 5F37RAZS

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/5F37RAZSSKVHPON66FXJJVSF6L \
  | 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: e977f8833292aa77b9bef16e94d645f2e8ba523890de3fdf11586206cf7977b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f109b497c965989e2bc301230a1f77012c3184d46822095aaf7773d8f6dd56f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-07T06:48:45Z",
    "title_canon_sha256": "d4774812c1d934dc7e8d95a85192055b31c3ed3e6ca39bbadb0a786691b3e45e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0983",
    "kind": "arxiv",
    "version": 2
  }
}