Pith Number

pith:PGVDXG5J

pith:2017:PGVDXG5JRGUDOY3XB7KHXAGYDP

not attested not anchored not stored refs pending

ALMA Multiple-Transition Molecular Line Observations of the Ultraluminous Infrared Galaxy IRAS 20551-4250: Different HCN, HCO+, HNC Excitation and Implications for Infrared Radiative Pumping

Kouichiro Nakanishi (1), Masatoshi Imanishi (1), Takuma Izumi (1) ((1) NAOJ)

arxiv:1708.08073 v1 · 2017-08-27 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGVDXG5JRGUDOY3XB7KHXAGYDP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:31:40.005790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79aa3b9ba989a83763770fd47b80d81bcd6373fbd8ffa1629390e5dda8b5263e

Aliases

arxiv: 1708.08073 · arxiv_version: 1708.08073v1 · doi: 10.48550/arxiv.1708.08073 · pith_short_12: PGVDXG5JRGUD · pith_short_16: PGVDXG5JRGUDOY3X · pith_short_8: PGVDXG5J

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/PGVDXG5JRGUDOY3XB7KHXAGYDP \
  | 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: 79aa3b9ba989a83763770fd47b80d81bcd6373fbd8ffa1629390e5dda8b5263e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b6e457cd0bba3a65df86c0065911b7fffc02cad9966351e42f1e37f02e6675f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-27T09:34:59Z",
    "title_canon_sha256": "2704678fb66f56210cb9b73a6e0d3bbdf6edef5806ca80c0c5bf45efe446c932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08073",
    "kind": "arxiv",
    "version": 1
  }
}