Pith Number

pith:X2GQU4GZ

pith:2019:X2GQU4GZSJUS3VEMFHD357V326

not attested not anchored not stored refs pending

Star formation in galaxies hosting AGN: A flat trend of star-formation rate with X-ray luminosity of galaxies hosting AGN in the SCUBA-2 Cosmology Legacy Survey

Garreth Martin, James E. Geach, Jason Stevens, Joanna Ramasawmy

arxiv:1904.07880 v1 · 2019-04-16 · 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{X2GQU4GZSJUS3VEMFHD357V326}

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	2026-05-17T23:47:55.422752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be8d0a70d992692dd48c29c7befebbd7a136195a917990881e41f430c8bb3b81

Aliases

arxiv: 1904.07880 · arxiv_version: 1904.07880v1 · doi: 10.48550/arxiv.1904.07880 · pith_short_12: X2GQU4GZSJUS · pith_short_16: X2GQU4GZSJUS3VEM · pith_short_8: X2GQU4GZ

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/X2GQU4GZSJUS3VEMFHD357V326 \
  | 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: be8d0a70d992692dd48c29c7befebbd7a136195a917990881e41f430c8bb3b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02681ad8641a5ef68496e74da656fd2d0bfc98d11e889f804a49dfc7216454f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-16T18:00:06Z",
    "title_canon_sha256": "cf06c8c23ff1bd5802bcf734ddef61d9ee06c4653e352389994f9be14bc98278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07880",
    "kind": "arxiv",
    "version": 1
  }
}