Pith Number

pith:EHVO2WY6

pith:2019:EHVO2WY65Q5U6P6JZF63GKFZ7M

not attested not anchored not stored refs pending

No signs of star formation being regulated in the most luminous quasars at z~2 with ALMA

A. Schulze, D. Liu, E. Daddi, J.D. Silverman, K. Jahnke, M. Hirschmann, M. Imanishi, M. Schramm, V. Mainieri, W. Rujopakarn

arxiv:1906.04290 v1 · 2019-06-10 · 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{EHVO2WY65Q5U6P6JZF63GKFZ7M}

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	2026-05-17T23:41:07.843070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21eaed5b1eec3b4f3fc9c97db328b9fb118b7dd50e6a0fc0bf9798540646d7e2

Aliases

arxiv: 1906.04290 · arxiv_version: 1906.04290v1 · doi: 10.48550/arxiv.1906.04290 · pith_short_12: EHVO2WY65Q5U · pith_short_16: EHVO2WY65Q5U6P6J · pith_short_8: EHVO2WY6

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/EHVO2WY65Q5U6P6JZF63GKFZ7M \
  | 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: 21eaed5b1eec3b4f3fc9c97db328b9fb118b7dd50e6a0fc0bf9798540646d7e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de5216264d5e3b8860816787ee663c9477fc885c38e694516869a910add87f25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-10T21:53:21Z",
    "title_canon_sha256": "952bfae17b286736fff278b7c97bf6c8aa6158eadf57b34318be54a4902cbfcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04290",
    "kind": "arxiv",
    "version": 1
  }
}