Pith Number

pith:NPREMCHU

pith:2018:NPREMCHUBKX3RA6RQF4OZB6TJH

not attested not anchored not stored refs pending

Suppression of Low-mass Galaxy Formation around Quasars at z~2-3

H.Uchiyama, J.Toshikawa, K.Ito, M.Kubo, M.Onoue, N.Kashikawa, R. Overzier, S.Ishikawa, S.Namiki, Y.Liang

arxiv:1811.03662 v1 · 2018-11-08 · 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{NPREMCHUBKX3RA6RQF4OZB6TJH}

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	2026-05-17T23:56:17.155809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be24608f40aafb883d18178ec87d349fca3c993678b5e97a0a0571ff19f8ee5

Aliases

arxiv: 1811.03662 · arxiv_version: 1811.03662v1 · doi: 10.48550/arxiv.1811.03662 · pith_short_12: NPREMCHUBKX3 · pith_short_16: NPREMCHUBKX3RA6R · pith_short_8: NPREMCHU

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/NPREMCHUBKX3RA6RQF4OZB6TJH \
  | 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: 6be24608f40aafb883d18178ec87d349fca3c993678b5e97a0a0571ff19f8ee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acd569499e54c385548eee1b3fc4f6e07497358846123f801207dd4d35ad0b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-08T20:03:39Z",
    "title_canon_sha256": "02cbeaa64c7f5a5d85d8fce54cc5c402f263d514008fc2b6e1b7e5cfa60bbb6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03662",
    "kind": "arxiv",
    "version": 1
  }
}