Pith Number

pith:CS2UKCRB

pith:2022:CS2UKCRB5YWMHRW4BNIJ4OHYIY

not attested not anchored not stored refs pending

Probing the Inner Circumgalactic Medium and Quasar Illumination around the Reddest `Extremely Red Quasar' (ERQ)

David S. N. Rupke, Dominika Wylezalek, Fred Hamann, Jarred Gillette, Marie Wingyee Lau, Nadia L. Zakamska, Serena Perrotta

arxiv:2203.06203 v3 · 2022-03-11 · 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{CS2UKCRB5YWMHRW4BNIJ4OHYIY}

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	2026-07-05T04:45:17.517193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b5450a21ee2cc3c6dc0b509e38f84635b18896b97431301c7735b77ea22bc8

Aliases

arxiv: 2203.06203 · arxiv_version: 2203.06203v3 · doi: 10.48550/arxiv.2203.06203 · pith_short_12: CS2UKCRB5YWM · pith_short_16: CS2UKCRB5YWMHRW4 · pith_short_8: CS2UKCRB

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/CS2UKCRB5YWMHRW4BNIJ4OHYIY \
  | 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: 14b5450a21ee2cc3c6dc0b509e38f84635b18896b97431301c7735b77ea22bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "162f0376acffa05d5fc8c0ad7d52a1ec3e2926f22ce399fde280a9fb6bcd7c73",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-03-11T19:00:10Z",
    "title_canon_sha256": "bc009d22965281ce7fb6ae95dea4dc680bdecfbc50eee45611fd3e8dca724603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06203",
    "kind": "arxiv",
    "version": 3
  }
}