Pith Number

pith:GROTC75V

pith:2025:GROTC75VBT2ZAGK2KZUFJMQWGP

not attested not anchored not stored refs pending

Evidence for universal gas depletion in a sample of 41 luminous Type 1 quasars at z $\sim$ 2

A. L. Rankine, A. Puglisi, C. Ricci, G. C. Jones, M. Aravena, M. Banerji, M. J. Temple, M. Stepney, P. Hewett, R. J. Assef, S. J. Molyneux, S. Tang

arxiv:2505.03884 v1 · 2025-05-06 · 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{GROTC75VBT2ZAGK2KZUFJMQWGP}

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	2026-07-05T10:59:33.102025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345d317fb50cf590195a566854b21633fab6f2355c3f3f4ab445e7fb581154de

Aliases

arxiv: 2505.03884 · arxiv_version: 2505.03884v1 · doi: 10.48550/arxiv.2505.03884 · pith_short_12: GROTC75VBT2Z · pith_short_16: GROTC75VBT2ZAGK2 · pith_short_8: GROTC75V

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/GROTC75VBT2ZAGK2KZUFJMQWGP \
  | 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: 345d317fb50cf590195a566854b21633fab6f2355c3f3f4ab445e7fb581154de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6d92ee3d9cd1276ed1876e4bd161f7c18f7e420cbdfa7b1fc67a2bfdedcbd89",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-06T18:00:04Z",
    "title_canon_sha256": "971d8928d194461ebccef30978bcf6feb32207e728efe5d2843813d980fb4663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.03884",
    "kind": "arxiv",
    "version": 1
  }
}