Pith Number

pith:IIHNNMRR

pith:2021:IIHNNMRRRJLBRXY2JBKOOZTDJM

not attested not anchored not stored refs pending

Measuring the Density Fields around Bright Quasars at $z\sim 6$ with XQR-30 Spectra

Andrea Pallottini, Andrei Mesinger, Anna-Christina Eilers, Chiara Mazzucchelli, Feige Wang, George D. Becker, Huanqing Chen, Jinyi Yang, Manuela Bischetti, Nickolay Y. Gnedin, Sarah E. I. Bosman, Valentina D'Odorico, Xiaohui Fan

arxiv:2110.13917 v1 · 2021-10-26 · astro-ph.GA · 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{IIHNNMRRRJLBRXY2JBKOOZTDJM}

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	2026-07-05T04:27:46.884304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420ed6b2318a5618df1a4854e766634b278f1c60a6a40936e1af45f76c254a1b

Aliases

arxiv: 2110.13917 · arxiv_version: 2110.13917v1 · doi: 10.48550/arxiv.2110.13917 · pith_short_12: IIHNNMRRRJLB · pith_short_16: IIHNNMRRRJLBRXY2 · pith_short_8: IIHNNMRR

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/IIHNNMRRRJLBRXY2JBKOOZTDJM \
  | 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: 420ed6b2318a5618df1a4854e766634b278f1c60a6a40936e1af45f76c254a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb0898136d0bc052d157988b63b5887bcf9cbb9462d74a496fcec53aa46fee8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-26T18:00:00Z",
    "title_canon_sha256": "e2a2dd55dc73e2cb0033230ce434651af8bf43617dab498c2b31957752581135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13917",
    "kind": "arxiv",
    "version": 1
  }
}