Pith Number

pith:ESOSRIKV

pith:2026:ESOSRIKVA2HQ5OE7O2AT4RLV6B

not attested not anchored not stored refs pending

Shape-Preserving Evolution of the Global Ultraviolet Quasar Luminosity Function to $z\simeq7.5$

Longhua Qin, Wenjie Wang, Yu Luo, Zunli Yuan

arxiv:2606.22415 v1 · 2026-06-21 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ESOSRIKVA2HQ5OE7O2AT4RLV6B}

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	2026-06-23T02:13:37.769597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249d28a155068f0eb89f76813e4575f063fce6223d456e8f2489790b23989b28

Aliases

arxiv: 2606.22415 · arxiv_version: 2606.22415v1 · doi: 10.48550/arxiv.2606.22415 · pith_short_12: ESOSRIKVA2HQ · pith_short_16: ESOSRIKVA2HQ5OE7 · pith_short_8: ESOSRIKV

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/ESOSRIKVA2HQ5OE7O2AT4RLV6B \
  | 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: 249d28a155068f0eb89f76813e4575f063fce6223d456e8f2489790b23989b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb1958c171ff583e2a461b5638079f3d2ed0433af7c0dfa78ab3f873ddccc507",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-21T10:04:52Z",
    "title_canon_sha256": "e6aaf31e85c358d1379a95b1977503352eda7f427e7a4249a2c43e4ae3b39beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22415",
    "kind": "arxiv",
    "version": 1
  }
}