Pith Number

pith:2WYPWPUN

pith:2011:2WYPWPUNBOE5HWNW3B67B36VHZ

not attested not anchored not stored refs pending

The Herschel Virgo Cluster Survey. IX. Dust-to-gas mass ratio and metallicity gradients in four Virgo spiral galaxies

Alessandro Boselli, Carlo Giovanardi, Catherine Vlahakis, Ciro Pappalardo, Edvige Corbelli, George J. Bendo, Ilse De Looze, Jacopo Fritz, Jonathan Davies, Joris Verstappen, Laura Magrini, Leslie Hunt, Luca Cortese, Maarten Baes, Marcel Clemens, Marco Grossi, Matthew Smith, Michael Pohlen, Simone Bianchi, Sperello di Serego Alighieri, Suzanne Madden, Thomas Hughes, Viviana Casasola

arxiv:1106.0618 v2 · 2011-06-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WYPWPUNBOE5HWNW3B67B36VHZ}

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	2026-05-18T02:01:43.935157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5b0fb3e8d0b89d3d9b6d87df0efd53e6c194784029afed251f2ad81c933de8a

Aliases

arxiv: 1106.0618 · arxiv_version: 1106.0618v2 · doi: 10.48550/arxiv.1106.0618 · pith_short_12: 2WYPWPUNBOE5 · pith_short_16: 2WYPWPUNBOE5HWNW · pith_short_8: 2WYPWPUN

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/2WYPWPUNBOE5HWNW3B67B36VHZ \
  | 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: d5b0fb3e8d0b89d3d9b6d87df0efd53e6c194784029afed251f2ad81c933de8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea1d4509febbbe6c9596960502e48d25003bac4f181fd568116253f094a218ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-03T12:08:43Z",
    "title_canon_sha256": "27db9f66997f5e93aa6343889b262d6eb077d0e1d710f273d8c300e4fbbe087b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0618",
    "kind": "arxiv",
    "version": 2
  }
}