Pith Number

pith:6FIWEM3N

pith:2022:6FIWEM3N4JTRWK3BLZTPMF5TF2

not attested not anchored not stored refs pending

HI gas playing hide-and-seek around a powerful FRI-type quasar at z$\sim$2.1

E. Momjian, F. Combes, G. Shukla, J.-K. Krogager, N. Gupta, P. Noterdaeme, P. Petitjean, R. Srianand

arxiv:2202.11755 v1 · 2022-02-23 · 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{6FIWEM3N4JTRWK3BLZTPMF5TF2}

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	2026-07-05T04:09:48.953115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f15162336de2671b2b615e66f617b32eaee0bd270d352a0e1bd36b88e1c2acdb

Aliases

arxiv: 2202.11755 · arxiv_version: 2202.11755v1 · doi: 10.48550/arxiv.2202.11755 · pith_short_12: 6FIWEM3N4JTR · pith_short_16: 6FIWEM3N4JTRWK3B · pith_short_8: 6FIWEM3N

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/6FIWEM3N4JTRWK3BLZTPMF5TF2 \
  | 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: f15162336de2671b2b615e66f617b32eaee0bd270d352a0e1bd36b88e1c2acdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d038b4a9f78a65202b2c97fa0a4dab2ae43fed6b9c2f6272ca1ef5e72f77ac54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-23T19:37:21Z",
    "title_canon_sha256": "d671061bb3f68ce5122b0376afa1bf2aa2b7302dda7647af8ec348121d29f07c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.11755",
    "kind": "arxiv",
    "version": 1
  }
}