Pith Number

pith:GQHISXD4

pith:2018:GQHISXD4D65B76ALYBDPZ2XPDQ

not attested not anchored not stored refs pending

The origin of the relation between metallicity and size in star-forming galaxies

2), 2) ((1) Instituto de Astrofisica de Canarias, (2) Departamento de Astrofisica, C. Dalla Vecchia (1, J. Sanchez Almeida (1, La Laguna, Spain, Tenerife, Universidad de La Laguna)

arxiv:1804.09406 v1 · 2018-04-25 · 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{GQHISXD4D65B76ALYBDPZ2XPDQ}

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	2026-05-18T00:13:26.014222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340e895c7c1fba1ff80bc046fceaef1c30994903c0ae57fb15495c4b515ed3a3

Aliases

arxiv: 1804.09406 · arxiv_version: 1804.09406v1 · doi: 10.48550/arxiv.1804.09406 · pith_short_12: GQHISXD4D65B · pith_short_16: GQHISXD4D65B76AL · pith_short_8: GQHISXD4

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/GQHISXD4D65B76ALYBDPZ2XPDQ \
  | 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: 340e895c7c1fba1ff80bc046fceaef1c30994903c0ae57fb15495c4b515ed3a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "471b72775c76ea51dcbd20fa9a1a0c05d4f66df65268cdac323a828d1e3847d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-25T07:49:20Z",
    "title_canon_sha256": "48705c70edea7a50ae7d62c80646ea0cbc041e79adadaaa4988e0347cc420a16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09406",
    "kind": "arxiv",
    "version": 1
  }
}