Pith Number

pith:IRXIKYZ4

pith:2012:IRXIKYZ4MDGLK5SVCJGAXBU7W4

not attested not anchored not stored refs pending

The quest for complex molecules in space: Laboratory spectroscopy of n-butyl cyanide, n-C4H9CN, in the millimeter wave region and its astronomical search in Sagittarius B2(N)

A. Belloche, A. Walters, F. Lewen, H. S. P. M\"uller, K. M. Menten, M. H. Ordu, M. Nu\~nez, S. Schlemmer

arxiv:1204.2686 v1 · 2012-04-12 · astro-ph.GA · physics.chem-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{IRXIKYZ4MDGLK5SVCJGAXBU7W4}

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

Rotational Spectroscopy as a Tool to Study Vibration-Rotation Interaction: Investigations of $^{13}$CH$_3$CN and CH$_3$$^{13}$CN up to $v_8 = 2$ and a Search for $v_8 = 2$ Transitions toward Sagittari

Receipt and verification

First computed	2026-05-18T03:16:49.837910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446e85633c60ccb57655124c0b869fb735585144bb1ed0188a3f0f1ab49565a6

Aliases

arxiv: 1204.2686 · arxiv_version: 1204.2686v1 · doi: 10.48550/arxiv.1204.2686 · pith_short_12: IRXIKYZ4MDGL · pith_short_16: IRXIKYZ4MDGLK5SV · pith_short_8: IRXIKYZ4

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/IRXIKYZ4MDGLK5SVCJGAXBU7W4 \
  | 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: 446e85633c60ccb57655124c0b869fb735585144bb1ed0188a3f0f1ab49565a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "572c40305f55ce1d33f005a9d60dd669457c852e94e3dc89342e049ae0979612",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-12T11:28:21Z",
    "title_canon_sha256": "f5a765aff4fa5f4ad2d969eb585d21a68167dce56927a8ef0bb615718f80c85c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2686",
    "kind": "arxiv",
    "version": 1
  }
}