Pith Number

pith:UUEB7HFD

pith:2018:UUEB7HFDTOJ2QSU67DOSETHYKH

not attested not anchored not stored refs pending

Extinction Maps and Dust-to-Gas Ratios in Nearby Galaxies with LEGUS

A. Adamo, A. Aloisi, A. Herrero, A. Nota, A. Pellerin, A. S. Evans, A. Wofford, B. C. Whitmore, B. G. Elmegreen, C. Christian, C. Dobbs, D. A. Dale, D. A. Gouliermis, D. A. Hunter, D. Calzetti, D. M. Elmegreen, D. O. Cook, D. Schaerer, D. Thilker, E. K. Grebel, E. Sabbi, E. Sacchi, F. Shabani, G. Ashworth, H. Kim, J. C. Lee, J. E. Andrews, J. E. Ryon, J. S. Gallagher III, K. E. Johnson, K. Grasha, L. J. Smith, L. Kahre, L. Ubeda, M. Cignoni, M. Fumagalli, M. Messa, M. R. Krumholz, M. Tosi, P. Nair, R. A. Walterbos, R. Chandar, R. C. Kennicutt, S. D. Van Dyk, S. E. de Mink, S. N. Bright, T. M. Brown

arxiv:1802.06915 v2 · 2018-02-20 · 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{UUEB7HFDTOJ2QSU67DOSETHYKH}

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	2026-05-18T00:20:51.694885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5081f9ca39b93a84a9ef8dd224cf851dbf71eb99783bd1b355f3d413bce94ff

Aliases

arxiv: 1802.06915 · arxiv_version: 1802.06915v2 · doi: 10.48550/arxiv.1802.06915 · pith_short_12: UUEB7HFDTOJ2 · pith_short_16: UUEB7HFDTOJ2QSU6 · pith_short_8: UUEB7HFD

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/UUEB7HFDTOJ2QSU67DOSETHYKH \
  | 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: a5081f9ca39b93a84a9ef8dd224cf851dbf71eb99783bd1b355f3d413bce94ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3dba2b7e965d2205b30afac6bc9ee5c30302c5a61deec05129f3689076d120",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-20T00:04:41Z",
    "title_canon_sha256": "7e3f0b68ebb6b5852adeca2dc327824fafe4fe0fbcd2d2af4a8a20447457cff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06915",
    "kind": "arxiv",
    "version": 2
  }
}