Pith Number

pith:4PWDBG6Y

pith:2017:4PWDBG6YEOGVIF26A5EJDD4ULI

not attested not anchored not stored refs pending

Probing the cold and warm molecular gas in the Whirlpool Galaxy: Herschel SPIRE-FTS Observations of the central region of M51 (NGC 5194)

A. Boselli, A. Cooray, C.D. Wilson, I. De Looze, J. A. Fernandez-Ontiveros, J. Glenn, J. Kamenetzky, L. Spinoglio, M. Baes, M.R.P. Schirm, N. Rangwala, O. L. Karczewski, P. Maloney, R. Wu, T.J. Parkin

arxiv:1707.01973 v1 · 2017-07-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PWDBG6YEOGVIF26A5EJDD4ULI}

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	2026-05-18T00:38:50.113180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ec309bd8238d54175e0748918f945a28ed98a66184d560d3bcc9b2f10c7b18

Aliases

arxiv: 1707.01973 · arxiv_version: 1707.01973v1 · doi: 10.48550/arxiv.1707.01973 · pith_short_12: 4PWDBG6YEOGV · pith_short_16: 4PWDBG6YEOGVIF26 · pith_short_8: 4PWDBG6Y

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/4PWDBG6YEOGVIF26A5EJDD4ULI \
  | 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: e3ec309bd8238d54175e0748918f945a28ed98a66184d560d3bcc9b2f10c7b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2e92c2e178f80b1de3597841485e9da77f311e1a29521de6d30752c7b61ab00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-06T21:37:16Z",
    "title_canon_sha256": "4f843e0efc64c1dd16d59f2d59c7bfbb89419baab1b7e99e23eda1282607c6bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01973",
    "kind": "arxiv",
    "version": 1
  }
}