Pith Number

pith:QOHSNGKB

pith:2008:QOHSNGKBD4VZP5DE6N27NSQ2KQ

not attested not anchored not stored refs pending

The Star Formation Rate - Dense Gas Relation in Galaxies as Measured by HCN (3-2) Emission

C. K. Walker, D. Narayanan, J. Moustakas, J. Wu, P. A. Vanden Bout, P. M. Solomon, R. S. Bussmann, S. Juneau, Y. L. Shirley

arxiv:0805.4419 v1 · 2008-05-28 · 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{QOHSNGKBD4VZP5DE6N27NSQ2KQ}

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	2026-07-04T17:11:02.247017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838f2699411f2b97f464f375f6ca1a5425cfe144fdf48af16fdd988e73a8cddc

Aliases

arxiv: 0805.4419 · arxiv_version: 0805.4419v1 · doi: 10.48550/arxiv.0805.4419 · pith_short_12: QOHSNGKBD4VZ · pith_short_16: QOHSNGKBD4VZP5DE · pith_short_8: QOHSNGKB

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/QOHSNGKBD4VZP5DE6N27NSQ2KQ \
  | 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: 838f2699411f2b97f464f375f6ca1a5425cfe144fdf48af16fdd988e73a8cddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f88d171e7f7a25cf3774cafafcc5dbe7f0e7542549c295ac5bee5be37c83396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-28T20:09:04Z",
    "title_canon_sha256": "bae9db617838242a7817e97d1d778c8f30c9c76100f5271b032a0f9926c87552"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4419",
    "kind": "arxiv",
    "version": 1
  }
}