Pith Number

pith:K6XIGF52

pith:2022:K6XIGF52OCFB7NH5MZO6MN2B2W

not attested not anchored not stored refs pending

Revealing new high redshift quasar populations through Gaussian mixture model selection

A. Saxena, H. J. A. R\"ottgering, J. D. Wagenveld, K. J. Duncan, M. Zhang

arxiv:2201.11724 v1 · 2022-01-27 · 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{K6XIGF52OCFB7NH5MZO6MN2B2W}

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	2026-07-05T04:15:57.158060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57ae8317ba708a1fb4fd665de63741d5842a59ca65066d578b4e9bd92d83bab5

Aliases

arxiv: 2201.11724 · arxiv_version: 2201.11724v1 · doi: 10.48550/arxiv.2201.11724 · pith_short_12: K6XIGF52OCFB · pith_short_16: K6XIGF52OCFB7NH5 · pith_short_8: K6XIGF52

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/K6XIGF52OCFB7NH5MZO6MN2B2W \
  | 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: 57ae8317ba708a1fb4fd665de63741d5842a59ca65066d578b4e9bd92d83bab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3443ae45f9f4f24cf371675dcdc424707609463ccda9b564e6591a1a4e3485a5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-27T18:36:55Z",
    "title_canon_sha256": "832a7042845adffe8bd210b82dae330a716ce57d9332c178b171e8de8803129e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11724",
    "kind": "arxiv",
    "version": 1
  }
}