Pith Number

pith:GGKJQM7L

pith:2018:GGKJQM7L27W5U4MQDSVQJWY3DO

not attested not anchored not stored refs pending

First gas-phase metallicity gradients of $0.1 \lesssim z \lesssim 0.8$ galaxies with MUSE

Beno\^it Epinat, David Carton, Hayley Finley, Jarle Brinchmann, Johan Richard, Joop Schaye, Lutz Wisotzki, Peter M. Weilbacher, Themiya Nanayakkara, Thierry Contini, Vera Patr\'icio

arxiv:1805.08131 v2 · 2018-05-21 · 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{GGKJQM7L27W5U4MQDSVQJWY3DO}

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	2026-05-18T00:11:27.921787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31949833ebd7edda71901cab04db1b1bbf1c27c78f3f93e40f3b6947455ee152

Aliases

arxiv: 1805.08131 · arxiv_version: 1805.08131v2 · doi: 10.48550/arxiv.1805.08131 · pith_short_12: GGKJQM7L27W5 · pith_short_16: GGKJQM7L27W5U4MQ · pith_short_8: GGKJQM7L

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/GGKJQM7L27W5U4MQDSVQJWY3DO \
  | 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: 31949833ebd7edda71901cab04db1b1bbf1c27c78f3f93e40f3b6947455ee152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34c28f75ad27ef5dfe68c026ce94380150a0bbff0ff6464af0f52e2330b185f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-21T15:38:46Z",
    "title_canon_sha256": "1677fbdfffa4a6d132df6db379bf334c1af934b1955a769597e4fcb264657e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08131",
    "kind": "arxiv",
    "version": 2
  }
}