Pith Number

pith:K4BGVTTM

pith:2008:K4BGVTTMXSFUQJGSZSSYO5IHQN

not attested not anchored not stored refs pending

A survey for redshifted molecular and atomic absorption lines - II. Associated HI, OH and millimetre lines in the z >~ 3 Parkes quarter-Jansky flat-spectrum sample

C. R. Purcell, J. K. Webb, M. T. Murphy, M. T. Whiting, S. J. Curran, T. Wiklind

arxiv:0805.1581 v5 · 2008-05-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4BGVTTMXSFUQJGSZSSYO5IHQN}

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	2026-05-18T02:15:52.867515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57026ace6cbc8b4824d2cca5877507836268313d86b4edfcdbd6f00850760314

Aliases

arxiv: 0805.1581 · arxiv_version: 0805.1581v5 · doi: 10.48550/arxiv.0805.1581 · pith_short_12: K4BGVTTMXSFU · pith_short_16: K4BGVTTMXSFUQJGS · pith_short_8: K4BGVTTM

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/K4BGVTTMXSFUQJGSZSSYO5IHQN \
  | 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: 57026ace6cbc8b4824d2cca5877507836268313d86b4edfcdbd6f00850760314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7c8f62b91a92f67e2da648d3a57b376d391ab8c9a4fb87a550158552bfdde44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-12T04:50:58Z",
    "title_canon_sha256": "2d2981289dcf77c08b8b4dabd0d33a7036cf152e7833e2335556d25bc528aebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1581",
    "kind": "arxiv",
    "version": 5
  }
}